修正生成动态颜色时存在的无限循环问题。

color-module/src/lib.rs

@@ -135,3 +135,14 @@ pub fn wacg_relative_contrast(fg_color: &str, bg_color: &str) -> Result<f32, err
         .into_format::<f32>();
     Ok(fg_srgb.relative_contrast(bg_srgb))
 }
+
+#[macro_export]
+macro_rules! cond {
+    ($s: expr, $a: expr, $b: expr) => {
+        if $s {
+            $a
+        } else {
+            $b
+        }
+    };
+}

color-module/src/schemes/material_design_3/baseline.rs

@@ -80,6 +80,34 @@ impl M3BaselineColors {
         self.customs.insert(name, color_set_generator(c));
     }
 
+    pub fn full_custom(
+        primary: M3ColorSet,
+        secondary: M3ColorSet,
+        tertiary: M3ColorSet,
+        error: M3ColorSet,
+        surface: M3SurfaceSet,
+        outline: String,
+        outline_variant: String,
+        scrim: String,
+        shadow: String,
+        customs: HashMap<String, M3ColorSet>,
+        dark_set: bool,
+    ) -> Self {
+        Self {
+            primary,
+            secondary,
+            tertiary,
+            error,
+            surface,
+            outline,
+            outline_variant,
+            scrim,
+            shadow,
+            customs,
+            dark_set,
+        }
+    }
+
     pub fn to_css_variables(&self) -> Vec<String> {
         let mut css_variables = Vec::new();
         let prefix = if self.dark_set { "dark" } else { "light" };

color-module/src/schemes/material_design_3/mod.rs

@@ -1,9 +1,11 @@
 use std::str::FromStr;
 
-use baseline::M3BaselineColors;
+pub use baseline::M3BaselineColors;
+pub use color_set::M3ColorSet;
 use palette::{IntoColor, Lch, Srgb};
 use serde::Serialize;
-use tonal_palette::TonalPalette;
+pub use surface::M3SurfaceSet;
+pub use tonal_palette::TonalPalette;
 
 use crate::convert::map_lch_to_srgb_hex;
 use crate::errors;
@@ -64,6 +66,15 @@ impl MaterialDesign3Scheme {
         self.dark_baseline.add_custom_set(name.clone(), &palette);
         Ok(())
     }
+
+    pub fn full_custom(light_baseline: M3BaselineColors, dark_baseline: M3BaselineColors) -> Self {
+        Self {
+            white: map_lch_to_srgb_hex(&Lch::new(100.0, 0.0, 0.0)),
+            black: map_lch_to_srgb_hex(&Lch::new(0.0, 0.0, 0.0)),
+            light_baseline,
+            dark_baseline,
+        }
+    }
 }
 
 impl SchemeExport for MaterialDesign3Scheme {

color-module/src/schemes/material_design_3/surface.rs

@@ -9,6 +9,7 @@ pub struct M3SurfaceSet {
     pub root: String,
     pub dim: String,
     pub bright: String,
+    pub variant: String,
     pub container: String,
     pub container_lowest: String,
     pub container_low: String,
@@ -25,6 +26,7 @@ impl M3SurfaceSet {
         let root = neutral.tone(98.0);
         let dim = neutral.tone(87.0);
         let bright = neutral.tone(98.0);
+        let variant = neutral_variant.tone(90.0);
         let container = neutral.tone(94.0);
         let container_lowest = neutral.tone(100.0);
         let container_low = neutral.tone(96.0);
@@ -39,6 +41,7 @@ impl M3SurfaceSet {
             root: map_lch_to_srgb_hex(&root),
             dim: map_lch_to_srgb_hex(&dim),
             bright: map_lch_to_srgb_hex(&bright),
+            variant: map_lch_to_srgb_hex(&variant),
             container: map_lch_to_srgb_hex(&container),
             container_lowest: map_lch_to_srgb_hex(&container_lowest),
             container_low: map_lch_to_srgb_hex(&container_low),
@@ -55,6 +58,7 @@ impl M3SurfaceSet {
         let root = neutral.tone(6.0);
         let dim = neutral.tone(6.0);
         let bright = neutral.tone(24.0);
+        let variant = neutral_variant.tone(30.0);
         let container = neutral.tone(12.0);
         let container_lowest = neutral.tone(4.0);
         let container_low = neutral.tone(10.0);
@@ -69,6 +73,7 @@ impl M3SurfaceSet {
             root: map_lch_to_srgb_hex(&root),
             dim: map_lch_to_srgb_hex(&dim),
             bright: map_lch_to_srgb_hex(&bright),
+            variant: map_lch_to_srgb_hex(&variant),
             container: map_lch_to_srgb_hex(&container),
             container_lowest: map_lch_to_srgb_hex(&container_lowest),
             container_low: map_lch_to_srgb_hex(&container_low),
@@ -90,6 +95,10 @@ impl M3SurfaceSet {
             "--color-{}-surface-bright: #{};",
             prefix, self.bright
         ));
+        css_variables.push(format!(
+            "--color-{}-surface-variant: #{};",
+            prefix, self.variant
+        ));
         css_variables.push(format!(
             "--color-{}-surface-container: #{};",
             prefix, self.container
@@ -136,6 +145,10 @@ impl M3SurfaceSet {
             "$color-{}-surface-bright: #{};",
             prefix, self.bright
         ));
+        scss_variables.push(format!(
+            "$color-{}-surface-variant: #{};",
+            prefix, self.variant
+        ));
         scss_variables.push(format!(
             "$color-{}-surface-container: #{};",
             prefix, self.container
@@ -179,6 +192,7 @@ impl M3SurfaceSet {
         js_object_fields.push(format!("{}Surface: '#{}',", prefix, self.root));
         js_object_fields.push(format!("{}SurfaceDim: '#{}',", prefix, self.dim));
         js_object_fields.push(format!("{}SurfaceBright: '#{}',", prefix, self.bright));
+        js_object_fields.push(format!("{}SurfaceVariant: '#{}',", prefix, self.variant));
         js_object_fields.push(format!(
             "{}SurfaceContainer: '#{}',",
             prefix, self.container

color-module/src/schemes/material_design_3_dynamic/constants.rs

@@ -0,0 +1,379 @@
+use enum_iterator::Sequence;
+use palette::{
+    color_theory::{Analogous, Complementary},
+    Lch,
+};
+use serde_repr::{Deserialize_repr, Serialize_repr};
+use strum::Display;
+use wasm_bindgen::prelude::wasm_bindgen;
+
+use crate::{
+    schemes::material_design_3::TonalPalette,
+    theory::{harmonize_hue, sanitize_hue_degrees},
+};
+
+use super::dynamic_color::CustomPaletteGenerator;
+
+#[derive(Debug, Clone, Copy, PartialEq, Display, Sequence, Serialize_repr, Deserialize_repr)]
+#[wasm_bindgen]
+#[repr(u8)]
+pub enum Variant {
+    Monochrome,
+    Neutral,
+    TonalSpot,
+    Vibrant,
+    Expressive,
+    Fidelity,
+    Content,
+    Rainbow,
+    FruitSalad,
+}
+
+impl Variant {
+    pub fn label(&self) -> String {
+        match self {
+            Variant::Monochrome => "Monochrome".to_string(),
+            Variant::Neutral => "Neutral".to_string(),
+            Variant::TonalSpot => "Tonal Spot".to_string(),
+            Variant::Vibrant => "Vibrant".to_string(),
+            Variant::Expressive => "Expressive".to_string(),
+            Variant::Fidelity => "Fidelity".to_string(),
+            Variant::Content => "Content".to_string(),
+            Variant::Rainbow => "Rainbow".to_string(),
+            Variant::FruitSalad => "Fruit Salad".to_string(),
+        }
+    }
+
+    pub fn from_u8(value: u8) -> Variant {
+        match value {
+            0 => Variant::Monochrome,
+            1 => Variant::Neutral,
+            2 => Variant::TonalSpot,
+            3 => Variant::Vibrant,
+            4 => Variant::Expressive,
+            5 => Variant::Fidelity,
+            6 => Variant::Content,
+            7 => Variant::Rainbow,
+            8 => Variant::FruitSalad,
+            _ => Variant::Expressive,
+        }
+    }
+
+    pub fn hues(&self) -> Vec<f32> {
+        match self {
+            Variant::Vibrant => vec![0.0, 41.0, 61.0, 101.0, 131.0, 181.0, 251.0, 301.0, 360.0],
+            Variant::Expressive => vec![0.0, 21.0, 51.0, 121.0, 151.0, 191.0, 271.0, 321.0, 360.0],
+            _ => vec![],
+        }
+    }
+
+    pub fn secondary_rotation(&self) -> Vec<f32> {
+        match self {
+            Variant::Vibrant => vec![18.0, 15.0, 10.0, 12.0, 15.0, 18.0, 15.0, 12.0, 12.0],
+            Variant::Expressive => vec![45.0, 95.0, 45.0, 20.0, 45.0, 90.0, 45.0, 45.0, 45.0],
+            _ => vec![],
+        }
+    }
+
+    pub fn tertiary_rotation(&self) -> Vec<f32> {
+        match self {
+            Variant::Vibrant => vec![35.0, 30.0, 20.0, 25.0, 30.0, 35.0, 30.0, 25.0, 25.0],
+            Variant::Expressive => vec![120.0, 120.0, 20.0, 45.0, 20.0, 15.0, 20.0, 120.0, 120.0],
+            _ => vec![],
+        }
+    }
+
+    pub fn build_palette(
+        &self,
+        source_color: Lch,
+        harmonize_customs: bool,
+    ) -> (
+        TonalPalette,
+        TonalPalette,
+        TonalPalette,
+        TonalPalette,
+        TonalPalette,
+        CustomPaletteGenerator,
+    ) {
+        match self {
+            Variant::Monochrome => (
+                TonalPalette::from_hue_and_chroma(source_color.hue.into_positive_degrees(), 0.0),
+                TonalPalette::from_hue_and_chroma(source_color.hue.into_positive_degrees(), 0.0),
+                TonalPalette::from_hue_and_chroma(source_color.hue.into_positive_degrees(), 0.0),
+                TonalPalette::from_hue_and_chroma(source_color.hue.into_positive_degrees(), 0.0),
+                TonalPalette::from_hue_and_chroma(source_color.hue.into_positive_degrees(), 0.0),
+                if harmonize_customs {
+                    let source_hue = source_color.hue.into_positive_degrees();
+                    Box::new(move |c: &Lch| {
+                        TonalPalette::from_hue_and_chroma(
+                            harmonize_hue(c.hue.into_positive_degrees(), source_hue),
+                            0.0,
+                        )
+                    })
+                } else {
+                    Box::new(|c: &Lch| {
+                        TonalPalette::from_hue_and_chroma(c.hue.into_positive_degrees(), 0.0)
+                    })
+                },
+            ),
+            Variant::Neutral => (
+                TonalPalette::from_hue_and_chroma(source_color.hue.into_positive_degrees(), 12.0),
+                TonalPalette::from_hue_and_chroma(source_color.hue.into_positive_degrees(), 8.0),
+                TonalPalette::from_hue_and_chroma(source_color.hue.into_positive_degrees(), 16.0),
+                TonalPalette::from_hue_and_chroma(source_color.hue.into_positive_degrees(), 2.0),
+                TonalPalette::from_hue_and_chroma(source_color.hue.into_positive_degrees(), 2.0),
+                if harmonize_customs {
+                    let source_hue = source_color.hue.into_positive_degrees();
+                    Box::new(move |c: &Lch| {
+                        TonalPalette::from_hue_and_chroma(
+                            harmonize_hue(c.hue.into_positive_degrees(), source_hue),
+                            12.0,
+                        )
+                    })
+                } else {
+                    Box::new(|c: &Lch| {
+                        TonalPalette::from_hue_and_chroma(c.hue.into_positive_degrees(), 12.0)
+                    })
+                },
+            ),
+            Variant::TonalSpot => (
+                TonalPalette::from_hue_and_chroma(source_color.hue.into_positive_degrees(), 36.0),
+                TonalPalette::from_hue_and_chroma(source_color.hue.into_positive_degrees(), 16.0),
+                TonalPalette::from_hue_and_chroma(
+                    sanitize_hue_degrees(source_color.hue.into_positive_degrees() + 60.0),
+                    24.0,
+                ),
+                TonalPalette::from_hue_and_chroma(source_color.hue.into_positive_degrees(), 6.0),
+                TonalPalette::from_hue_and_chroma(source_color.hue.into_positive_degrees(), 8.0),
+                if harmonize_customs {
+                    let source_hue = source_color.hue.into_positive_degrees();
+                    Box::new(move |c: &Lch| {
+                        TonalPalette::from_hue_and_chroma(
+                            harmonize_hue(c.hue.into_positive_degrees(), source_hue),
+                            36.0,
+                        )
+                    })
+                } else {
+                    Box::new(|c: &Lch| {
+                        TonalPalette::from_hue_and_chroma(c.hue.into_positive_degrees(), 36.0)
+                    })
+                },
+            ),
+            Variant::Vibrant => (
+                TonalPalette::from_hue_and_chroma(source_color.hue.into_positive_degrees(), 200.0),
+                TonalPalette::from_hue_and_chroma(
+                    rotate_hue(&source_color, &self.hues(), &self.secondary_rotation()),
+                    24.0,
+                ),
+                TonalPalette::from_hue_and_chroma(
+                    rotate_hue(&source_color, &self.hues(), &self.tertiary_rotation()),
+                    32.0,
+                ),
+                TonalPalette::from_hue_and_chroma(source_color.hue.into_positive_degrees(), 10.0),
+                TonalPalette::from_hue_and_chroma(source_color.hue.into_positive_degrees(), 12.0),
+                if harmonize_customs {
+                    let source_hue = source_color.hue.into_positive_degrees();
+                    Box::new(move |c: &Lch| {
+                        TonalPalette::from_hue_and_chroma(
+                            harmonize_hue(c.hue.into_positive_degrees(), source_hue),
+                            200.0,
+                        )
+                    })
+                } else {
+                    Box::new(|c: &Lch| {
+                        TonalPalette::from_hue_and_chroma(c.hue.into_positive_degrees(), 200.0)
+                    })
+                },
+            ),
+            Variant::Expressive => (
+                TonalPalette::from_hue_and_chroma(
+                    sanitize_hue_degrees(source_color.hue.into_positive_degrees() + 240.0),
+                    40.0,
+                ),
+                TonalPalette::from_hue_and_chroma(
+                    rotate_hue(&source_color, &self.hues(), &self.secondary_rotation()),
+                    24.0,
+                ),
+                TonalPalette::from_hue_and_chroma(
+                    rotate_hue(&source_color, &self.hues(), &self.tertiary_rotation()),
+                    32.0,
+                ),
+                TonalPalette::from_hue_and_chroma(
+                    source_color.hue.into_positive_degrees() + 15.0,
+                    8.0,
+                ),
+                TonalPalette::from_hue_and_chroma(
+                    source_color.hue.into_positive_degrees() + 15.0,
+                    12.0,
+                ),
+                if harmonize_customs {
+                    let source_hue =
+                        sanitize_hue_degrees(source_color.hue.into_positive_degrees() + 240.0);
+                    Box::new(move |c: &Lch| {
+                        TonalPalette::from_hue_and_chroma(
+                            harmonize_hue(c.hue.into_positive_degrees(), source_hue),
+                            40.0,
+                        )
+                    })
+                } else {
+                    Box::new(|c: &Lch| {
+                        TonalPalette::from_hue_and_chroma(c.hue.into_positive_degrees(), 40.0)
+                    })
+                },
+            ),
+            Variant::Fidelity => (
+                TonalPalette::from_hue_and_chroma(
+                    source_color.hue.into_positive_degrees(),
+                    source_color.chroma,
+                ),
+                TonalPalette::from_hue_and_chroma(
+                    source_color.hue.into_positive_degrees(),
+                    (source_color.chroma - 32.0).max(source_color.chroma * 0.5),
+                ),
+                TonalPalette {
+                    key_color: fix_disliked(&source_color.complementary()),
+                },
+                TonalPalette::from_hue_and_chroma(
+                    source_color.hue.into_positive_degrees(),
+                    source_color.chroma / 8.0,
+                ),
+                TonalPalette::from_hue_and_chroma(
+                    source_color.hue.into_positive_degrees(),
+                    source_color.chroma / 8.0 + 4.0,
+                ),
+                if harmonize_customs {
+                    let source_hue = source_color.hue.into_positive_degrees();
+                    let source_chroma = source_color.chroma;
+                    Box::new(move |c: &Lch| {
+                        TonalPalette::from_hue_and_chroma(
+                            harmonize_hue(c.hue.into_positive_degrees(), source_hue),
+                            source_chroma,
+                        )
+                    })
+                } else {
+                    let source_chroma = source_color.chroma;
+                    Box::new(move |c: &Lch| {
+                        TonalPalette::from_hue_and_chroma(
+                            c.hue.into_positive_degrees(),
+                            source_chroma,
+                        )
+                    })
+                },
+            ),
+            Variant::Content => (
+                TonalPalette::from_hue_and_chroma(
+                    source_color.hue.into_positive_degrees(),
+                    source_color.chroma,
+                ),
+                TonalPalette::from_hue_and_chroma(
+                    source_color.hue.into_positive_degrees(),
+                    (source_color.chroma - 32.0).max(source_color.chroma * 0.5),
+                ),
+                TonalPalette {
+                    key_color: fix_disliked(&source_color.analogous().1),
+                },
+                TonalPalette::from_hue_and_chroma(
+                    source_color.hue.into_positive_degrees(),
+                    source_color.chroma / 8.0,
+                ),
+                TonalPalette::from_hue_and_chroma(
+                    source_color.hue.into_positive_degrees(),
+                    source_color.chroma / 8.0 + 4.0,
+                ),
+                if harmonize_customs {
+                    let source_hue = source_color.hue.into_positive_degrees();
+                    Box::new(move |c: &Lch| {
+                        TonalPalette::from_hue_and_chroma(
+                            harmonize_hue(c.hue.into_positive_degrees(), source_hue),
+                            c.chroma,
+                        )
+                    })
+                } else {
+                    Box::new(|c: &Lch| {
+                        TonalPalette::from_hue_and_chroma(c.hue.into_positive_degrees(), c.chroma)
+                    })
+                },
+            ),
+            Variant::Rainbow => (
+                TonalPalette::from_hue_and_chroma(source_color.hue.into_positive_degrees(), 48.0),
+                TonalPalette::from_hue_and_chroma(source_color.hue.into_positive_degrees(), 16.0),
+                TonalPalette::from_hue_and_chroma(
+                    sanitize_hue_degrees(source_color.hue.into_positive_degrees() + 60.0),
+                    24.0,
+                ),
+                TonalPalette::from_hue_and_chroma(source_color.hue.into_positive_degrees(), 0.0),
+                TonalPalette::from_hue_and_chroma(source_color.hue.into_positive_degrees(), 0.0),
+                if harmonize_customs {
+                    let source_hue = source_color.hue.into_positive_degrees();
+                    Box::new(move |c: &Lch| {
+                        TonalPalette::from_hue_and_chroma(
+                            harmonize_hue(c.hue.into_positive_degrees(), source_hue),
+                            48.0,
+                        )
+                    })
+                } else {
+                    Box::new(|c: &Lch| {
+                        TonalPalette::from_hue_and_chroma(c.hue.into_positive_degrees(), 48.0)
+                    })
+                },
+            ),
+            Variant::FruitSalad => (
+                TonalPalette::from_hue_and_chroma(
+                    sanitize_hue_degrees(source_color.hue.into_positive_degrees() - 50.0),
+                    48.0,
+                ),
+                TonalPalette::from_hue_and_chroma(
+                    sanitize_hue_degrees(source_color.hue.into_positive_degrees() - 50.0),
+                    36.0,
+                ),
+                TonalPalette::from_hue_and_chroma(source_color.hue.into_positive_degrees(), 36.0),
+                TonalPalette::from_hue_and_chroma(source_color.hue.into_positive_degrees(), 10.0),
+                TonalPalette::from_hue_and_chroma(source_color.hue.into_positive_degrees(), 16.0),
+                if harmonize_customs {
+                    let source_hue =
+                        sanitize_hue_degrees(source_color.hue.into_positive_degrees() - 50.0);
+                    Box::new(move |c: &Lch| {
+                        TonalPalette::from_hue_and_chroma(
+                            harmonize_hue(c.hue.into_positive_degrees(), source_hue),
+                            48.0,
+                        )
+                    })
+                } else {
+                    Box::new(|c: &Lch| {
+                        TonalPalette::from_hue_and_chroma(c.hue.into_positive_degrees(), 48.0)
+                    })
+                },
+            ),
+        }
+    }
+}
+
+fn rotate_hue(source: &Lch, hues: &Vec<f32>, rotations: &Vec<f32>) -> f32 {
+    let source_hue = source.hue.into_positive_degrees();
+    if rotations.len() == 1 {
+        return sanitize_hue_degrees(source_hue + rotations[0]);
+    }
+    let hues_size = hues.len();
+    for i in 0..=hues_size - 2 {
+        let hue = hues[i];
+        let next_hue = hues[i + 1];
+        if hue < source_hue && source_hue < next_hue {
+            return sanitize_hue_degrees(source_hue + rotations[i]);
+        }
+    }
+
+    source_hue
+}
+
+pub fn fix_disliked(color: &Lch) -> Lch {
+    let hue = color.hue.into_positive_degrees().round() >= 90.0
+        && color.hue.into_positive_degrees().round() <= 111.0;
+    let chroma = color.chroma.round() > 16.0;
+    let lightness = color.l.round() < 65.0;
+
+    if hue && chroma && lightness {
+        Lch::new(70.0, color.chroma, color.hue)
+    } else {
+        color.clone()
+    }
+}

color-module/src/schemes/material_design_3_dynamic/contrast.rs

@@ -0,0 +1,102 @@
+fn lab_inv_f(ft: f32) -> f32 {
+    let e = 216.0 / 24389.0;
+    let k = 24389.0 / 27.0;
+    let ft3 = ft * ft * ft;
+    if ft3 > e {
+        ft3
+    } else {
+        (116.0 * ft - 16.0) / k
+    }
+}
+
+fn lab_f(t: f32) -> f32 {
+    let e = 216.0 / 24389.0;
+    let k = 24389.0 / 27.0;
+    if t > e {
+        t.powf(1.0 / 3.0)
+    } else {
+        (k * t + 16.0) / 116.0
+    }
+}
+
+#[inline]
+fn y_from_lstar(lstar: f32) -> f32 {
+    100.0 * lab_inv_f((lstar + 16.0) / 116.0)
+}
+
+#[inline]
+fn lstar_from_y(y: f32) -> f32 {
+    lab_f(y / 100.0) * 116.0 - 16.0
+}
+
+pub fn ratio_of_ys(y1: f32, y2: f32) -> f32 {
+    let lighter = y1.max(y2);
+    let darker = y1.min(y2);
+    (lighter + 5.0) / (darker + 5.0)
+}
+
+pub fn ratio_of_tones(a: f32, b: f32) -> f32 {
+    let tone_a = a.clamp(0.0, 100.0);
+    let tone_b = b.clamp(0.0, 100.0);
+    ratio_of_ys(y_from_lstar(tone_a), y_from_lstar(tone_b))
+}
+
+pub fn lighter(tone: f32, ratio: f32) -> f32 {
+    if tone < 0.0 || tone > 100.0 {
+        return -1.0;
+    }
+
+    let dark_y = y_from_lstar(tone);
+    let light_y = ratio * (dark_y + 5.0) - 5.0;
+    let real_contrast = ratio_of_ys(light_y, dark_y);
+    let delta = (real_contrast - ratio).abs();
+    if real_contrast < ratio && delta > 0.04 {
+        return -1.0;
+    }
+
+    let return_value = lstar_from_y(light_y) + 0.4;
+    if return_value < 0.0 || return_value > 100.0 {
+        return -1.0;
+    }
+    return_value
+}
+
+pub fn darker(tone: f32, ratio: f32) -> f32 {
+    if tone < 0.0 || tone > 100.0 {
+        return -1.0;
+    }
+
+    let light_y = y_from_lstar(tone);
+    let dark_y = ((light_y + 5.0) / ratio) - 5.0;
+    let real_contrast = ratio_of_ys(light_y, dark_y);
+
+    let delta = (real_contrast - ratio).abs();
+
+    if real_contrast < ratio && delta > 0.04 {
+        return -1.0;
+    }
+
+    let return_value = lstar_from_y(dark_y) - 0.4;
+    if return_value < 0.0 || return_value > 100.0 {
+        return -1.0;
+    }
+    return_value
+}
+
+pub fn unsafe_lighter(tone: f32, ratio: f32) -> f32 {
+    let safe_lighter = lighter(tone, ratio);
+    if safe_lighter < 0.0 {
+        100.0
+    } else {
+        safe_lighter
+    }
+}
+
+pub fn unsafe_darker(tone: f32, ratio: f32) -> f32 {
+    let safe_darker = darker(tone, ratio);
+    if safe_darker < 0.0 {
+        0.0
+    } else {
+        safe_darker
+    }
+}

color-module/src/schemes/material_design_3_dynamic/contrast_curve.rs

@@ -0,0 +1,37 @@
+#[derive(Debug, Clone, Copy)]
+pub struct ContrastCurve {
+    low: f32,
+    normal: f32,
+    medium: f32,
+    high: f32,
+}
+
+#[inline]
+fn lerp(start: f32, stop: f32, amount: f32) -> f32 {
+    (1.0 - start) * start + amount * stop
+}
+
+impl ContrastCurve {
+    pub fn new(low: f32, normal: f32, medium: f32, high: f32) -> Self {
+        Self {
+            low,
+            normal,
+            medium,
+            high,
+        }
+    }
+
+    pub fn get(&self, contrast_level: f32) -> f32 {
+        if contrast_level <= -1.0 {
+            self.low
+        } else if contrast_level < 0.0 {
+            lerp(self.low, self.normal, (contrast_level + 1.0) / 1.0)
+        } else if contrast_level < 0.5 {
+            lerp(self.normal, self.medium, contrast_level / 0.5)
+        } else if contrast_level < 1.0 {
+            lerp(self.medium, self.high, (contrast_level - 0.5) / 0.5)
+        } else {
+            self.high
+        }
+    }
+}

color-module/src/schemes/material_design_3_dynamic/dynamic_color.rs

@@ -0,0 +1,245 @@
+use std::rc::Rc;
+
+use palette::Lch;
+
+use crate::schemes::material_design_3::TonalPalette;
+
+use super::{contrast_curve::ContrastCurve, dynamic_scheme::DynamicScheme};
+
+pub type TonalPaletteGenerator = Box<dyn Fn(&DynamicScheme) -> TonalPalette>;
+pub type ToneSearcher = Box<dyn Fn(&DynamicScheme) -> f32>;
+pub type DynamicColorSearcher = Box<dyn Fn(&DynamicScheme) -> Rc<DynamicColor>>;
+pub type ToneDeltaPairGenerator = Box<dyn Fn(&DynamicScheme) -> ToneDeltaPair>;
+pub type CustomPaletteGenerator = Box<dyn Fn(&Lch) -> TonalPalette>;
+
+#[derive(Debug, Clone, Copy, PartialEq)]
+#[allow(dead_code)]
+pub enum TonePolarity {
+    Darker,
+    Lighter,
+    Nearer,
+    Farther,
+}
+
+pub struct DynamicColor {
+    name: String,
+    palette: TonalPaletteGenerator,
+    tone: ToneSearcher,
+    is_background: Option<bool>,
+    background: Option<DynamicColorSearcher>,
+    secondary_background: Option<DynamicColorSearcher>,
+    contrast_curve: Option<ContrastCurve>,
+    tone_delta_pairs: Option<ToneDeltaPairGenerator>,
+}
+
+pub struct ToneDeltaPair {
+    pub role_a: Rc<DynamicColor>,
+    pub role_b: Rc<DynamicColor>,
+    pub delta: f32,
+    pub polarity: TonePolarity,
+    pub togather: bool,
+}
+
+impl DynamicColor {
+    pub fn new(
+        name: Option<&str>,
+        palette: TonalPaletteGenerator,
+        tone: ToneSearcher,
+        is_background: Option<bool>,
+        background: Option<DynamicColorSearcher>,
+        secondary_background: Option<DynamicColorSearcher>,
+        contrast_curve: Option<ContrastCurve>,
+        tone_delta_pairs: Option<ToneDeltaPairGenerator>,
+    ) -> Self {
+        DynamicColor {
+            name: name.unwrap_or("").to_string(),
+            palette,
+            tone,
+            is_background: is_background.or(Some(false)),
+            background,
+            secondary_background,
+            contrast_curve,
+            tone_delta_pairs,
+        }
+    }
+
+    pub fn tone(&self, scheme: &DynamicScheme) -> f32 {
+        (self.tone)(scheme)
+    }
+
+    pub fn get_lch(&self, scheme: &DynamicScheme) -> Lch {
+        let tone = self.get_tone(scheme);
+        (self.palette)(scheme).tone(tone)
+    }
+
+    pub fn get_tone(&self, scheme: &DynamicScheme) -> f32 {
+        let decreasing_contrast = scheme.contrast_level < 0.0;
+
+        if let Some(pair_generator) = &self.tone_delta_pairs {
+            let tone_delta = pair_generator(scheme);
+            let bg = (self.background.as_ref().unwrap())(scheme);
+            let bg_tone = bg.get_tone(scheme);
+            let is_nearer = tone_delta.polarity == TonePolarity::Nearer
+                || (tone_delta.polarity == TonePolarity::Lighter && !scheme.is_dark)
+                || (tone_delta.polarity == TonePolarity::Darker && scheme.is_dark);
+            let (nearer, farther) = if is_nearer {
+                (&tone_delta.role_a, &tone_delta.role_b)
+            } else {
+                (&tone_delta.role_b, &tone_delta.role_a)
+            };
+            let expansion_factor = if scheme.is_dark { 1.0 } else { -1.0 };
+
+            let n_contrast = (nearer.contrast_curve.as_ref().unwrap()).get(scheme.contrast_level);
+            let f_contrast = (farther.contrast_curve.as_ref().unwrap()).get(scheme.contrast_level);
+
+            let n_initial_tone = nearer.tone(scheme);
+            let mut n_tone =
+                if super::contrast::ratio_of_tones(bg_tone, n_initial_tone) >= n_contrast {
+                    n_initial_tone
+                } else {
+                    foreground_tone(bg_tone, n_contrast)
+                };
+            let f_initial_tone = farther.tone(scheme);
+            let mut f_tone =
+                if super::contrast::ratio_of_tones(bg_tone, f_initial_tone) >= f_contrast {
+                    f_initial_tone
+                } else {
+                    foreground_tone(bg_tone, f_contrast)
+                };
+
+            if decreasing_contrast {
+                n_tone = foreground_tone(bg_tone, n_contrast);
+                f_tone = foreground_tone(bg_tone, f_contrast);
+            }
+
+            if (f_tone - n_tone) * expansion_factor < tone_delta.delta {
+                f_tone = (n_tone + tone_delta.delta * expansion_factor).clamp(0.0, 100.0);
+            }
+
+            if n_tone >= 50.0 && n_tone < 60.0 {
+                if expansion_factor > 0.0 {
+                    n_tone = 60.0;
+                    f_tone = (n_tone + tone_delta.delta * expansion_factor).max(f_tone);
+                } else {
+                    n_tone = 49.0;
+                    f_tone = (n_tone + tone_delta.delta * expansion_factor).min(f_tone);
+                }
+            } else if f_tone >= 50.0 && f_tone < 60.0 {
+                if tone_delta.togather {
+                    if expansion_factor > 0.0 {
+                        n_tone = 60.0;
+                        f_tone = (n_tone + tone_delta.delta * expansion_factor).max(f_tone);
+                    } else {
+                        n_tone = 49.0;
+                        f_tone = (n_tone + tone_delta.delta * expansion_factor).min(f_tone);
+                    }
+                } else {
+                    if expansion_factor > 0.0 {
+                        f_tone = 60.0;
+                    } else {
+                        f_tone = 49.0;
+                    }
+                }
+            }
+
+            if self.name.eq_ignore_ascii_case(&nearer.name) {
+                n_tone
+            } else {
+                f_tone
+            }
+        } else {
+            let mut result = (self.tone)(scheme);
+
+            if self.background.is_none() {
+                return result;
+            }
+
+            let bg_tone = (self.background.as_ref().unwrap())(scheme).get_tone(scheme);
+            let desired_ratio = (self.contrast_curve.as_ref().unwrap()).get(scheme.contrast_level);
+
+            if super::contrast::ratio_of_tones(bg_tone, result) < desired_ratio {
+                result = foreground_tone(bg_tone, desired_ratio);
+            }
+            if decreasing_contrast {
+                result = foreground_tone(bg_tone, desired_ratio);
+            }
+
+            if self.is_background.unwrap_or(false) && result >= 50.0 && result < 60.0 {
+                if super::contrast::ratio_of_tones(49.0, bg_tone) >= desired_ratio {
+                    result = 49.0;
+                } else {
+                    result = 60.0;
+                }
+            }
+
+            if let Some(secondary_background) = &self.secondary_background {
+                let (bg_tone_1, bg_tone_2) = (
+                    (self.background.as_ref().unwrap())(scheme).get_tone(scheme),
+                    secondary_background(scheme).get_tone(scheme),
+                );
+                let (upper, lower) = (bg_tone_1.max(bg_tone_2), bg_tone_1.min(bg_tone_2));
+
+                if super::contrast::ratio_of_tones(upper, result) >= desired_ratio
+                    && super::contrast::ratio_of_tones(lower, result) >= desired_ratio
+                {
+                    return result;
+                }
+
+                let light_option = super::contrast::lighter(upper, desired_ratio);
+                let dark_option = super::contrast::darker(lower, desired_ratio);
+
+                let mut availables = vec![];
+                if light_option != -1.0 {
+                    availables.push(light_option);
+                }
+                if dark_option != -1.0 {
+                    availables.push(dark_option);
+                }
+
+                if prefer_light_foreground(bg_tone_1) || prefer_light_foreground(bg_tone_2) {
+                    return if light_option < 0.0 {
+                        100.0
+                    } else {
+                        light_option
+                    };
+                }
+                if availables.len() == 1 {
+                    return availables[0];
+                }
+
+                return if dark_option < 0.0 { 0.0 } else { dark_option };
+            }
+
+            result
+        }
+    }
+}
+
+#[inline]
+fn prefer_light_foreground(tone: f32) -> bool {
+    tone.round() < 60.0
+}
+
+pub fn foreground_tone(background_tone: f32, ratio: f32) -> f32 {
+    let lighter_tone = super::contrast::unsafe_lighter(background_tone, ratio);
+    let darker_tone = super::contrast::unsafe_darker(background_tone, ratio);
+    let lighter_ratio = super::contrast::ratio_of_tones(lighter_tone, background_tone);
+    let darker_ratio = super::contrast::ratio_of_tones(darker_tone, background_tone);
+
+    if prefer_light_foreground(background_tone) {
+        let difference = (lighter_ratio - darker_ratio).abs() < 0.1
+            && lighter_ratio < ratio
+            && darker_ratio < ratio;
+        if lighter_ratio >= ratio || lighter_ratio >= darker_ratio || difference {
+            lighter_tone
+        } else {
+            darker_tone
+        }
+    } else {
+        if darker_ratio >= ratio || darker_ratio >= lighter_ratio {
+            darker_tone
+        } else {
+            lighter_tone
+        }
+    }
+}

color-module/src/schemes/material_design_3_dynamic/dynamic_scheme.rs

@@ -0,0 +1,71 @@
+use std::collections::HashMap;
+
+use palette::Lch;
+
+use crate::schemes::material_design_3::TonalPalette;
+
+use super::constants::Variant;
+
+#[allow(dead_code)]
+pub struct DynamicScheme {
+    pub source_color: Lch,
+    pub error_palette: TonalPalette,
+    pub contrast_level: f32,
+    pub variant: Variant,
+    pub is_dark: bool,
+    pub harmonize_customs: bool,
+    pub primary_palette: TonalPalette,
+    pub secondary_palette: TonalPalette,
+    pub tertiary_palette: TonalPalette,
+    pub neutral_palette: TonalPalette,
+    pub neutral_variant_palette: TonalPalette,
+    pub custom_palettes: HashMap<String, TonalPalette>,
+}
+
+impl DynamicScheme {
+    pub fn new(
+        source_color: Lch,
+        error_color: Option<Lch>,
+        custom_colors: HashMap<String, Lch>,
+        variant: Variant,
+        contrast_level: f32,
+        is_dark: bool,
+        harmonize_customs: bool,
+    ) -> Self {
+        let (
+            primary_palette,
+            secondary_palette,
+            tertiary_palette,
+            neutral_palette,
+            neutral_variant_palette,
+            custom_generator,
+        ) = variant.build_palette(source_color, harmonize_customs);
+
+        let custom_palettes = custom_colors
+            .into_iter()
+            .map(|(name, color)| (name, custom_generator(&color)))
+            .collect();
+
+        DynamicScheme {
+            source_color,
+            error_palette: error_color
+                .map(|error_color| {
+                    TonalPalette::from_hue_and_chroma(
+                        error_color.hue.into_positive_degrees(),
+                        error_color.chroma,
+                    )
+                })
+                .unwrap_or_else(|| TonalPalette::from_hue_and_chroma(25.0, 48.0)),
+            contrast_level,
+            variant,
+            is_dark,
+            harmonize_customs,
+            primary_palette,
+            secondary_palette,
+            tertiary_palette,
+            neutral_palette,
+            neutral_variant_palette,
+            custom_palettes,
+        }
+    }
+}

color-module/src/schemes/material_design_3_dynamic/material_colors.rs

@@ -0,0 +1,917 @@
+use std::{cell::LazyCell, rc::Rc};
+
+use crate::cond;
+
+use super::{
+    constants::{fix_disliked, Variant},
+    contrast_curve::ContrastCurve,
+    dynamic_color::{foreground_tone, DynamicColor, ToneDeltaPair, TonePolarity},
+    dynamic_scheme::DynamicScheme,
+};
+
+macro_rules! dynamic_gen {
+    ($variable: ident, $name: ident, $palette: expr, $tone: expr) => {
+        pub const $variable: LazyCell<Rc<DynamicColor>> = LazyCell::new(|| {
+            Rc::new(DynamicColor::new(
+                Some(stringify!($name)),
+                Box::new($palette),
+                Box::new($tone),
+                None,
+                None,
+                None,
+                None,
+                None,
+            ))
+        });
+    };
+    ($variable: ident, $name: ident, $palette: expr, $tone: expr, $is_background: expr) => {
+        pub const $variable: LazyCell<Rc<DynamicColor>> = LazyCell::new(|| {
+            Rc::new(DynamicColor::new(
+                Some(stringify!($name)),
+                Box::new($palette),
+                Box::new($tone),
+                Some($is_background),
+                None,
+                None,
+                None,
+                None,
+            ))
+        });
+    };
+    ($variable: ident, $name: ident, $palette: expr, $tone: expr, $background: expr, $contrast_curve: expr) => {
+        pub const $variable: LazyCell<Rc<DynamicColor>> = LazyCell::new(|| {
+            Rc::new(DynamicColor::new(
+                Some(stringify!($name)),
+                Box::new($palette),
+                Box::new($tone),
+                None,
+                Some(Box::new($background)),
+                None,
+                Some($contrast_curve),
+                None,
+            ))
+        });
+    };
+    ($variable: ident, $name: ident, $palette: expr, $tone: expr, $is_background: expr, $background: expr, $secondary_background: expr, $contrast_curve: expr, $tone_delta_pairs: expr) => {
+        pub const $variable: LazyCell<Rc<DynamicColor>> = LazyCell::new(|| {
+            Rc::new(DynamicColor::new(
+                Some(stringify!($name)),
+                Box::new($palette),
+                Box::new($tone),
+                $is_background,
+                $background,
+                $secondary_background,
+                $contrast_curve,
+                $tone_delta_pairs,
+            ))
+        });
+    };
+}
+
+#[inline]
+fn is_fidelity(scheme: &DynamicScheme) -> bool {
+    scheme.variant == Variant::Fidelity || scheme.variant == Variant::Content
+}
+
+#[inline]
+fn is_monochrome(scheme: &DynamicScheme) -> bool {
+    scheme.variant == Variant::Monochrome
+}
+
+fn highest_surface(s: &DynamicScheme) -> Rc<DynamicColor> {
+    cond!(s.is_dark, Rc::clone(&SURFACE_BRIGHT), Rc::clone(&SURFACE))
+}
+
+dynamic_gen!(
+    SURFACE,
+    surface,
+    |s: &DynamicScheme| s.neutral_palette.clone(),
+    |s: &DynamicScheme| cond!(s.is_dark, 6.0, 98.0),
+    true
+);
+dynamic_gen!(
+    SURFACE_DIM,
+    surface_dim,
+    |s: &DynamicScheme| s.neutral_palette.clone(),
+    |s: &DynamicScheme| cond!(
+        s.is_dark,
+        6.0,
+        ContrastCurve::new(87.0, 87.0, 80.0, 75.0).get(s.contrast_level)
+    ),
+    true
+);
+dynamic_gen!(
+    SURFACE_BRIGHT,
+    surface_bright,
+    |s: &DynamicScheme| s.neutral_palette.clone(),
+    |s: &DynamicScheme| cond!(
+        s.is_dark,
+        ContrastCurve::new(24.0, 24.0, 29.0, 34.0).get(s.contrast_level),
+        98.0
+    ),
+    true
+);
+dynamic_gen!(
+    SURFACE_CONTAINER_LOWEST,
+    surface_container_lowest,
+    |s: &DynamicScheme| s.neutral_palette.clone(),
+    |s: &DynamicScheme| cond!(
+        s.is_dark,
+        ContrastCurve::new(4.0, 4.0, 2.0, 0.0).get(s.contrast_level),
+        100.0
+    ),
+    true
+);
+dynamic_gen!(
+    SURFACE_CONTAINER_LOW,
+    surface_container_low,
+    |s: &DynamicScheme| s.neutral_palette.clone(),
+    |s: &DynamicScheme| cond!(
+        s.is_dark,
+        ContrastCurve::new(10.0, 10.0, 11.0, 12.0).get(s.contrast_level),
+        ContrastCurve::new(96.0, 96.0, 96.0, 95.0).get(s.contrast_level)
+    ),
+    true
+);
+dynamic_gen!(
+    SURFACE_CONTAINER,
+    surface_container,
+    |s: &DynamicScheme| s.neutral_palette.clone(),
+    |s: &DynamicScheme| cond!(
+        s.is_dark,
+        ContrastCurve::new(12.0, 12.0, 16.0, 20.0).get(s.contrast_level),
+        ContrastCurve::new(94.0, 94.0, 92.0, 90.0).get(s.contrast_level)
+    ),
+    true
+);
+dynamic_gen!(
+    SURFACE_CONTAINER_HIGH,
+    surface_container_high,
+    |s: &DynamicScheme| s.neutral_palette.clone(),
+    |s: &DynamicScheme| cond!(
+        s.is_dark,
+        ContrastCurve::new(17.0, 17.0, 21.0, 25.0).get(s.contrast_level),
+        ContrastCurve::new(92.0, 92.0, 88.0, 85.0).get(s.contrast_level)
+    ),
+    true
+);
+dynamic_gen!(
+    SURFACE_CONTAINER_HIGHEST,
+    surface_container_highest,
+    |s: &DynamicScheme| s.neutral_palette.clone(),
+    |s: &DynamicScheme| cond!(
+        s.is_dark,
+        ContrastCurve::new(22.0, 22.0, 26.0, 30.0).get(s.contrast_level),
+        ContrastCurve::new(90.0, 90.0, 84.0, 80.0).get(s.contrast_level)
+    ),
+    true
+);
+dynamic_gen!(
+    ON_SURFACE,
+    on_surface,
+    |s: &DynamicScheme| s.neutral_palette.clone(),
+    |s: &DynamicScheme| cond!(s.is_dark, 90.0, 10.0),
+    highest_surface,
+    ContrastCurve::new(4.5, 7.0, 11.0, 21.0)
+);
+dynamic_gen!(
+    SURFACE_VARIANT,
+    surface_variant,
+    |s: &DynamicScheme| s.neutral_variant_palette.clone(),
+    |s: &DynamicScheme| cond!(s.is_dark, 30.0, 90.0),
+    true
+);
+dynamic_gen!(
+    ON_SURFACE_VARIANT,
+    on_surface_variant,
+    |s: &DynamicScheme| s.neutral_variant_palette.clone(),
+    |s: &DynamicScheme| cond!(s.is_dark, 80.0, 30.0),
+    highest_surface,
+    ContrastCurve::new(3.0, 4.5, 7.0, 11.0)
+);
+dynamic_gen!(
+    INVERSE_SURFACE,
+    inverse_surface,
+    |s: &DynamicScheme| s.neutral_palette.clone(),
+    |s: &DynamicScheme| cond!(s.is_dark, 20.0, 95.0)
+);
+dynamic_gen!(
+    INVERSE_ON_SURFACE,
+    inverse_on_surface,
+    |s: &DynamicScheme| s.neutral_palette.clone(),
+    |s: &DynamicScheme| cond!(s.is_dark, 20.0, 95.0),
+    |_| Rc::clone(&INVERSE_SURFACE),
+    ContrastCurve::new(4.5, 7.0, 11.0, 21.0)
+);
+dynamic_gen!(
+    OUTLINE,
+    outline,
+    |s: &DynamicScheme| s.neutral_variant_palette.clone(),
+    |s: &DynamicScheme| cond!(s.is_dark, 60.0, 50.0),
+    highest_surface,
+    ContrastCurve::new(1.5, 3.0, 4.5, 7.0)
+);
+dynamic_gen!(
+    OUTLINE_VARIANT,
+    outline_variant,
+    |s: &DynamicScheme| s.neutral_variant_palette.clone(),
+    |s: &DynamicScheme| cond!(s.is_dark, 30.0, 80.0),
+    highest_surface,
+    ContrastCurve::new(1.0, 1.0, 3.0, 4.5)
+);
+dynamic_gen!(
+    SHADOW,
+    shadow,
+    |s: &DynamicScheme| s.neutral_palette.clone(),
+    |_| 0.0
+);
+dynamic_gen!(
+    SCRIM,
+    scrim,
+    |s: &DynamicScheme| s.neutral_palette.clone(),
+    |_| { 0.0 }
+);
+dynamic_gen!(
+    PRIMARY,
+    primary,
+    |s: &DynamicScheme| s.primary_palette.clone(),
+    |s: &DynamicScheme| {
+        if is_monochrome(s) {
+            cond!(s.is_dark, 100.0, 0.0)
+        } else {
+            cond!(s.is_dark, 80.0, 40.0)
+        }
+    },
+    Some(true),
+    Some(Box::new(highest_surface)),
+    None,
+    Some(ContrastCurve::new(3.0, 4.5, 7.0, 7.0)),
+    Some(Box::new(|_| ToneDeltaPair {
+        role_a: Rc::clone(&PRIMARY_CONTAINER),
+        role_b: Rc::clone(&PRIMARY),
+        delta: 10.0,
+        polarity: TonePolarity::Nearer,
+        togather: false,
+    }))
+);
+dynamic_gen!(
+    ON_PRIMARY,
+    on_primary,
+    |s: &DynamicScheme| s.primary_palette.clone(),
+    |s: &DynamicScheme| {
+        if is_monochrome(s) {
+            cond!(s.is_dark, 10.0, 90.0)
+        } else {
+            cond!(s.is_dark, 20.0, 100.0)
+        }
+    },
+    |_| Rc::clone(&PRIMARY),
+    ContrastCurve::new(4.5, 7.0, 11.0, 21.0)
+);
+dynamic_gen!(
+    PRIMARY_CONTAINER,
+    primary_container,
+    |s: &DynamicScheme| s.primary_palette.clone(),
+    |s: &DynamicScheme| {
+        if is_fidelity(s) {
+            return s.source_color.l;
+        }
+        if is_monochrome(s) {
+            cond!(s.is_dark, 85.0, 25.0)
+        } else {
+            cond!(s.is_dark, 30.0, 90.0)
+        }
+    },
+    Some(true),
+    Some(Box::new(highest_surface)),
+    None,
+    Some(ContrastCurve::new(1.0, 1.0, 3.0, 4.5)),
+    Some(Box::new(|_| ToneDeltaPair {
+        role_a: Rc::clone(&PRIMARY_CONTAINER),
+        role_b: Rc::clone(&PRIMARY),
+        delta: 10.0,
+        polarity: TonePolarity::Nearer,
+        togather: false,
+    }))
+);
+dynamic_gen!(
+    ON_PRIMARY_CONTAINER,
+    on_primary_container,
+    |s: &DynamicScheme| s.primary_palette.clone(),
+    |s: &DynamicScheme| {
+        if is_fidelity(s) {
+            return foreground_tone(Rc::clone(&PRIMARY_CONTAINER).get_tone(s), 4.5);
+        }
+        if is_monochrome(s) {
+            cond!(s.is_dark, 0.0, 100.0)
+        } else {
+            cond!(s.is_dark, 90.0, 30.0)
+        }
+    },
+    |_| Rc::clone(&PRIMARY_CONTAINER),
+    ContrastCurve::new(3.0, 4.5, 7.0, 11.0)
+);
+dynamic_gen!(
+    INVERSE_PRIMARY,
+    inverse_primary,
+    |s: &DynamicScheme| s.primary_palette.clone(),
+    |s: &DynamicScheme| cond!(s.is_dark, 40.0, 80.0),
+    |_| Rc::clone(&INVERSE_SURFACE),
+    ContrastCurve::new(3.0, 4.5, 7.0, 7.0)
+);
+dynamic_gen!(
+    SECONDARY,
+    secondary,
+    |s: &DynamicScheme| s.secondary_palette.clone(),
+    |s: &DynamicScheme| cond!(s.is_dark, 80.0, 40.0),
+    Some(true),
+    Some(Box::new(highest_surface)),
+    None,
+    Some(ContrastCurve::new(3.0, 4.5, 7.0, 7.0)),
+    None
+);
+dynamic_gen!(
+    ON_SECONDARY,
+    on_secondary,
+    |s: &DynamicScheme| s.secondary_palette.clone(),
+    |s: &DynamicScheme| {
+        if is_monochrome(s) {
+            cond!(s.is_dark, 10.0, 100.0)
+        } else {
+            cond!(s.is_dark, 20.0, 100.0)
+        }
+    },
+    |_| Rc::clone(&SECONDARY),
+    ContrastCurve::new(4.5, 7.0, 11.0, 21.0)
+);
+dynamic_gen!(
+    SECONDARY_CONTAINER,
+    secondary_container,
+    |s: &DynamicScheme| s.secondary_palette.clone(),
+    |s: &DynamicScheme| {
+        let initial_tone = cond!(s.is_dark, 30.0, 90.0);
+        if is_monochrome(s) {
+            return cond!(s.is_dark, 30.0, 85.0);
+        }
+        initial_tone
+    },
+    Some(true),
+    Some(Box::new(highest_surface)),
+    None,
+    Some(ContrastCurve::new(1.0, 1.0, 3.0, 4.5)),
+    Some(Box::new(|_| ToneDeltaPair {
+        role_a: Rc::clone(&SECONDARY_CONTAINER),
+        role_b: Rc::clone(&SECONDARY),
+        delta: 10.0,
+        polarity: TonePolarity::Nearer,
+        togather: false,
+    }))
+);
+dynamic_gen!(
+    ON_SECONDARY_CONTAINER,
+    on_secondary_container,
+    |s: &DynamicScheme| s.secondary_palette.clone(),
+    |s: &DynamicScheme| {
+        if is_monochrome(s) {
+            return cond!(s.is_dark, 90.0, 10.0);
+        }
+        if !is_fidelity(s) {
+            return cond!(s.is_dark, 90.0, 30.0);
+        }
+        foreground_tone(Rc::clone(&SECONDARY_CONTAINER).get_tone(s), 4.5)
+    },
+    |_| Rc::clone(&SECONDARY_CONTAINER),
+    ContrastCurve::new(3.0, 4.5, 7.0, 11.0)
+);
+dynamic_gen!(
+    TERTIARY,
+    tertiary,
+    |s: &DynamicScheme| s.tertiary_palette.clone(),
+    |s: &DynamicScheme| {
+        if is_monochrome(s) {
+            return cond!(s.is_dark, 90.0, 25.0);
+        }
+        cond!(s.is_dark, 80.0, 40.0)
+    },
+    Some(true),
+    Some(Box::new(highest_surface)),
+    None,
+    Some(ContrastCurve::new(3.0, 4.5, 7.0, 7.0)),
+    Some(Box::new(|_| ToneDeltaPair {
+        role_a: Rc::clone(&TERTIARY_CONTAINER),
+        role_b: Rc::clone(&TERTIARY),
+        delta: 10.0,
+        polarity: TonePolarity::Nearer,
+        togather: false,
+    }))
+);
+dynamic_gen!(
+    ON_TERTIARY,
+    on_tertiary,
+    |s: &DynamicScheme| s.tertiary_palette.clone(),
+    |s: &DynamicScheme| {
+        if is_monochrome(s) {
+            return cond!(s.is_dark, 10.0, 90.0);
+        }
+        cond!(s.is_dark, 20.0, 100.0)
+    },
+    |_| Rc::clone(&TERTIARY),
+    ContrastCurve::new(4.5, 7.0, 11.0, 21.0)
+);
+dynamic_gen!(
+    TERTIARY_CONTAINER,
+    tertiary_container,
+    |s: &DynamicScheme| s.tertiary_palette.clone(),
+    |s: &DynamicScheme| {
+        if is_monochrome(s) {
+            return cond!(s.is_dark, 60.0, 49.0);
+        }
+        if !is_fidelity(s) {
+            return cond!(s.is_dark, 30.0, 90.0);
+        }
+        let proposed_lch = s.tertiary_palette.tone(s.source_color.l);
+        fix_disliked(&proposed_lch).l
+    },
+    Some(true),
+    Some(Box::new(highest_surface)),
+    None,
+    Some(ContrastCurve::new(1.0, 1.0, 3.0, 4.5)),
+    Some(Box::new(|_| ToneDeltaPair {
+        role_a: Rc::clone(&TERTIARY_CONTAINER),
+        role_b: Rc::clone(&TERTIARY),
+        delta: 10.0,
+        polarity: TonePolarity::Nearer,
+        togather: false,
+    }))
+);
+dynamic_gen!(
+    ON_TERTIARY_CONTAINER,
+    on_tertiary_container,
+    |s: &DynamicScheme| s.tertiary_palette.clone(),
+    |s: &DynamicScheme| {
+        if is_monochrome(s) {
+            return cond!(s.is_dark, 0.0, 100.0);
+        }
+        if !is_fidelity(s) {
+            return cond!(s.is_dark, 90.0, 30.0);
+        }
+        foreground_tone(Rc::clone(&TERTIARY_CONTAINER).get_tone(s), 4.5)
+    },
+    |_| Rc::clone(&TERTIARY_CONTAINER),
+    ContrastCurve::new(3.0, 4.5, 7.0, 11.0)
+);
+dynamic_gen!(
+    ERROR,
+    error,
+    |s: &DynamicScheme| s.error_palette.clone(),
+    |s: &DynamicScheme| cond!(s.is_dark, 80.0, 40.0),
+    Some(true),
+    Some(Box::new(highest_surface)),
+    None,
+    Some(ContrastCurve::new(3.0, 4.5, 7.0, 7.0)),
+    Some(Box::new(|_| ToneDeltaPair {
+        role_a: Rc::clone(&ERROR_CONTAINER),
+        role_b: Rc::clone(&ERROR),
+        delta: 10.0,
+        polarity: TonePolarity::Nearer,
+        togather: false,
+    }))
+);
+dynamic_gen!(
+    ON_ERROR,
+    on_error,
+    |s: &DynamicScheme| s.error_palette.clone(),
+    |s: &DynamicScheme| cond!(s.is_dark, 20.0, 100.0),
+    |_| Rc::clone(&ERROR),
+    ContrastCurve::new(4.5, 7.0, 11.0, 21.0)
+);
+dynamic_gen!(
+    ERROR_CONTAINER,
+    error_container,
+    |s: &DynamicScheme| s.error_palette.clone(),
+    |s: &DynamicScheme| cond!(s.is_dark, 30.0, 90.0),
+    Some(true),
+    Some(Box::new(highest_surface)),
+    None,
+    Some(ContrastCurve::new(1.0, 1.0, 3.0, 4.5)),
+    Some(Box::new(|_| ToneDeltaPair {
+        role_a: Rc::clone(&ERROR_CONTAINER),
+        role_b: Rc::clone(&ERROR),
+        delta: 10.0,
+        polarity: TonePolarity::Nearer,
+        togather: false,
+    }))
+);
+dynamic_gen!(
+    ON_ERROR_CONTAINER,
+    on_error_container,
+    |s: &DynamicScheme| s.error_palette.clone(),
+    |s: &DynamicScheme| {
+        if is_monochrome(s) {
+            cond!(s.is_dark, 90.0, 10.0)
+        } else {
+            cond!(s.is_dark, 90.0, 30.0)
+        }
+    },
+    |_| Rc::clone(&ERROR_CONTAINER),
+    ContrastCurve::new(3.0, 4.5, 7.0, 11.0)
+);
+dynamic_gen!(
+    PRIMARY_FIXED,
+    primary_fixed,
+    |s: &DynamicScheme| s.primary_palette.clone(),
+    |s: &DynamicScheme| cond!(is_monochrome(s), 40.0, 90.0),
+    Some(true),
+    Some(Box::new(highest_surface)),
+    None,
+    Some(ContrastCurve::new(1.0, 1.0, 3.0, 4.5)),
+    Some(Box::new(|_| ToneDeltaPair {
+        role_a: Rc::clone(&PRIMARY_FIXED),
+        role_b: Rc::clone(&PRIMARY_FIXED_DIM),
+        delta: 10.0,
+        polarity: TonePolarity::Lighter,
+        togather: true,
+    }))
+);
+dynamic_gen!(
+    PRIMARY_FIXED_DIM,
+    primary_fixed_dim,
+    |s: &DynamicScheme| s.primary_palette.clone(),
+    |s: &DynamicScheme| cond!(is_monochrome(s), 30.0, 80.0),
+    Some(true),
+    Some(Box::new(highest_surface)),
+    None,
+    Some(ContrastCurve::new(1.0, 1.0, 3.0, 4.5)),
+    Some(Box::new(|_| ToneDeltaPair {
+        role_a: Rc::clone(&PRIMARY_FIXED),
+        role_b: Rc::clone(&PRIMARY_FIXED_DIM),
+        delta: 10.0,
+        polarity: TonePolarity::Lighter,
+        togather: true,
+    }))
+);
+dynamic_gen!(
+    ON_PRIMARY_FIXED,
+    on_primary_fixed,
+    |s: &DynamicScheme| s.primary_palette.clone(),
+    |s: &DynamicScheme| cond!(is_monochrome(s), 100.0, 10.0),
+    None,
+    Some(Box::new(|_| Rc::clone(&PRIMARY_FIXED_DIM))),
+    Some(Box::new(|_| Rc::clone(&PRIMARY_FIXED))),
+    Some(ContrastCurve::new(4.5, 7.0, 11.0, 21.0)),
+    None
+);
+dynamic_gen!(
+    ON_PRIMARY_FIXED_VARIANT,
+    on_primary_fixed_variant,
+    |s: &DynamicScheme| s.primary_palette.clone(),
+    |s: &DynamicScheme| cond!(is_monochrome(s), 90.0, 30.0),
+    None,
+    Some(Box::new(|_| Rc::clone(&PRIMARY_FIXED_DIM))),
+    Some(Box::new(|_| Rc::clone(&PRIMARY_FIXED))),
+    Some(ContrastCurve::new(3.0, 4.5, 7.0, 11.0)),
+    None
+);
+dynamic_gen!(
+    SECONDARY_FIXED,
+    secondary_fixed,
+    |s: &DynamicScheme| s.secondary_palette.clone(),
+    |s: &DynamicScheme| cond!(is_monochrome(s), 80.0, 90.0),
+    Some(true),
+    Some(Box::new(highest_surface)),
+    None,
+    Some(ContrastCurve::new(1.0, 1.0, 3.0, 4.5)),
+    Some(Box::new(|_| ToneDeltaPair {
+        role_a: Rc::clone(&SECONDARY_FIXED),
+        role_b: Rc::clone(&SECONDARY_FIXED_DIM),
+        delta: 10.0,
+        polarity: TonePolarity::Lighter,
+        togather: true,
+    }))
+);
+dynamic_gen!(
+    SECONDARY_FIXED_DIM,
+    secondary_fixed_dim,
+    |s: &DynamicScheme| s.secondary_palette.clone(),
+    |s: &DynamicScheme| cond!(is_monochrome(s), 70.0, 80.0),
+    Some(true),
+    Some(Box::new(highest_surface)),
+    None,
+    Some(ContrastCurve::new(1.0, 1.0, 3.0, 4.5)),
+    Some(Box::new(|_| ToneDeltaPair {
+        role_a: Rc::clone(&SECONDARY_FIXED),
+        role_b: Rc::clone(&SECONDARY_FIXED_DIM),
+        delta: 10.0,
+        polarity: TonePolarity::Lighter,
+        togather: true,
+    }))
+);
+dynamic_gen!(
+    ON_SECONDARY_FIXED,
+    on_secondary_fixed,
+    |s: &DynamicScheme| s.secondary_palette.clone(),
+    |_| 10.0,
+    None,
+    Some(Box::new(|_| Rc::clone(&SECONDARY_FIXED_DIM))),
+    Some(Box::new(|_| Rc::clone(&SECONDARY_FIXED))),
+    Some(ContrastCurve::new(4.5, 7.0, 11.0, 21.0)),
+    None
+);
+dynamic_gen!(
+    ON_SECONDARY_FIXED_VARIANT,
+    on_secondary_fixed_variant,
+    |s: &DynamicScheme| s.secondary_palette.clone(),
+    |s: &DynamicScheme| cond!(is_monochrome(s), 25.0, 30.0),
+    None,
+    Some(Box::new(|_| Rc::clone(&SECONDARY_FIXED_DIM))),
+    Some(Box::new(|_| Rc::clone(&SECONDARY_FIXED))),
+    Some(ContrastCurve::new(3.0, 4.5, 7.0, 11.0)),
+    None
+);
+dynamic_gen!(
+    TERTIARY_FIXED,
+    tertiary_fixed,
+    |s: &DynamicScheme| s.tertiary_palette.clone(),
+    |s: &DynamicScheme| cond!(is_monochrome(s), 40.0, 90.0),
+    Some(true),
+    Some(Box::new(highest_surface)),
+    None,
+    Some(ContrastCurve::new(1.0, 1.0, 3.0, 4.5)),
+    Some(Box::new(|_| ToneDeltaPair {
+        role_a: Rc::clone(&TERTIARY_FIXED),
+        role_b: Rc::clone(&TERTIARY_FIXED_DIM),
+        delta: 10.0,
+        polarity: TonePolarity::Lighter,
+        togather: true,
+    }))
+);
+dynamic_gen!(
+    TERTIARY_FIXED_DIM,
+    tertiary_fixed_dim,
+    |s: &DynamicScheme| s.tertiary_palette.clone(),
+    |s: &DynamicScheme| cond!(is_monochrome(s), 30.0, 80.0),
+    Some(true),
+    Some(Box::new(highest_surface)),
+    None,
+    Some(ContrastCurve::new(1.0, 1.0, 3.0, 4.5)),
+    Some(Box::new(|_| ToneDeltaPair {
+        role_a: Rc::clone(&TERTIARY_FIXED),
+        role_b: Rc::clone(&TERTIARY_FIXED_DIM),
+        delta: 10.0,
+        polarity: TonePolarity::Lighter,
+        togather: true,
+    }))
+);
+dynamic_gen!(
+    ON_TERTIARY_FIXED,
+    on_tertiary_fixed,
+    |s: &DynamicScheme| s.tertiary_palette.clone(),
+    |s: &DynamicScheme| cond!(is_monochrome(s), 100.0, 10.0),
+    None,
+    Some(Box::new(|_| Rc::clone(&TERTIARY_FIXED_DIM))),
+    Some(Box::new(|_| Rc::clone(&TERTIARY_FIXED))),
+    Some(ContrastCurve::new(4.5, 7.0, 11.0, 21.0)),
+    None
+);
+dynamic_gen!(
+    ON_TERTIARY_FIXED_VARIANT,
+    on_tertiary_fixed_variant,
+    |s: &DynamicScheme| s.tertiary_palette.clone(),
+    |s: &DynamicScheme| cond!(is_monochrome(s), 90.0, 30.0),
+    None,
+    Some(Box::new(|_| Rc::clone(&TERTIARY_FIXED_DIM))),
+    Some(Box::new(|_| Rc::clone(&TERTIARY_FIXED))),
+    Some(ContrastCurve::new(3.0, 4.5, 7.0, 11.0)),
+    None
+);
+
+pub fn custom(name: String) -> Rc<DynamicColor> {
+    Rc::new(DynamicColor::new(
+        Some(&format!("{}", name)),
+        {
+            let name = name.clone();
+            Box::new(move |s: &DynamicScheme| s.custom_palettes.get(&name).unwrap().clone())
+        },
+        Box::new(|s: &DynamicScheme| {
+            if is_monochrome(s) {
+                cond!(s.is_dark, 100.0, 0.0)
+            } else {
+                cond!(s.is_dark, 80.0, 40.0)
+            }
+        }),
+        Some(true),
+        Some(Box::new(highest_surface)),
+        None,
+        Some(ContrastCurve::new(3.0, 4.5, 7.0, 7.0)),
+        {
+            let name = name.clone();
+            Some(Box::new(move |_| ToneDeltaPair {
+                role_a: custom_container(String::from(&name)),
+                role_b: custom(String::from(&name)),
+                delta: 10.0,
+                polarity: TonePolarity::Nearer,
+                togather: false,
+            }))
+        },
+    ))
+}
+
+pub fn on_custom(name: String) -> Rc<DynamicColor> {
+    Rc::new(DynamicColor::new(
+        Some(&format!("on_{}", name)),
+        {
+            let name = name.clone();
+            Box::new(move |s| {
+                let custom_palette = s.custom_palettes.get(&name).unwrap().clone();
+                custom_palette
+            })
+        },
+        Box::new(|s: &DynamicScheme| {
+            if is_monochrome(s) {
+                cond!(s.is_dark, 10.0, 90.0)
+            } else {
+                cond!(s.is_dark, 20.0, 100.0)
+            }
+        }),
+        None,
+        {
+            let name = name.clone();
+            Some(Box::new(move |_| custom(String::from(&name))))
+        },
+        None,
+        Some(ContrastCurve::new(4.5, 7.0, 11.0, 21.0)),
+        None,
+    ))
+}
+
+pub fn custom_container(name: String) -> Rc<DynamicColor> {
+    Rc::new(DynamicColor::new(
+        Some(&format!("{}_container", name)),
+        {
+            let name = name.clone();
+            Box::new(move |s| s.custom_palettes.get(&name).unwrap().clone())
+        },
+        Box::new(|s| {
+            if is_fidelity(s) {
+                return s.source_color.l;
+            }
+            if is_monochrome(s) {
+                cond!(s.is_dark, 85.0, 25.0)
+            } else {
+                cond!(s.is_dark, 30.0, 90.0)
+            }
+        }),
+        Some(true),
+        Some(Box::new(highest_surface)),
+        None,
+        Some(ContrastCurve::new(1.0, 1.0, 3.0, 4.5)),
+        {
+            let name = name.clone();
+            Some(Box::new(move |_| ToneDeltaPair {
+                role_a: custom_container(String::from(&name)),
+                role_b: custom(String::from(&name)),
+                delta: 10.0,
+                polarity: TonePolarity::Nearer,
+                togather: false,
+            }))
+        },
+    ))
+}
+
+pub fn on_custom_container(name: String) -> Rc<DynamicColor> {
+    Rc::new(DynamicColor::new(
+        Some(&format!("on_{}_container", name)),
+        {
+            let name = name.clone();
+            Box::new(move |s| {
+                let custom_palette = s.custom_palettes.get(&name).unwrap().clone();
+                custom_palette
+            })
+        },
+        {
+            let name = name.clone();
+            Box::new(move |s| {
+                if is_fidelity(s) {
+                    return foreground_tone(custom_container(String::from(&name)).get_tone(s), 4.5);
+                }
+                if is_monochrome(s) {
+                    cond!(s.is_dark, 0.0, 100.0)
+                } else {
+                    cond!(s.is_dark, 90.0, 30.0)
+                }
+            })
+        },
+        None,
+        {
+            let name = name.clone();
+            Some(Box::new(move |_| custom_container(String::from(&name))))
+        },
+        None,
+        Some(ContrastCurve::new(3.0, 4.5, 7.0, 11.0)),
+        None,
+    ))
+}
+
+pub fn inverse_custom(name: String) -> Rc<DynamicColor> {
+    Rc::new(DynamicColor::new(
+        Some(&format!("inverse_{}", name)),
+        {
+            let name = name.clone();
+            Box::new(move |s| s.custom_palettes.get(&name).unwrap().clone())
+        },
+        Box::new(|s| cond!(s.is_dark, 20.0, 95.0)),
+        None,
+        Some(Box::new(|_| Rc::clone(&INVERSE_SURFACE))),
+        None,
+        Some(ContrastCurve::new(3.0, 4.5, 7.0, 11.0)),
+        None,
+    ))
+}
+
+pub fn custom_fixed(name: String) -> Rc<DynamicColor> {
+    Rc::new(DynamicColor::new(
+        Some(&format!("{}_fixed", name)),
+        {
+            let name = name.clone();
+            Box::new(move |s| s.custom_palettes.get(&name).unwrap().clone())
+        },
+        Box::new(|s| cond!(is_monochrome(s), 40.0, 90.0)),
+        Some(true),
+        Some(Box::new(highest_surface)),
+        None,
+        Some(ContrastCurve::new(1.0, 1.0, 3.0, 4.5)),
+        {
+            let name = name.clone();
+            Some(Box::new(move |_| ToneDeltaPair {
+                role_a: custom_fixed(String::from(&name)),
+                role_b: custom_fixed_dim(String::from(&name)),
+                delta: 10.0,
+                polarity: TonePolarity::Lighter,
+                togather: true,
+            }))
+        },
+    ))
+}
+
+pub fn custom_fixed_dim(name: String) -> Rc<DynamicColor> {
+    Rc::new(DynamicColor::new(
+        Some(&format!("{}_fixed_dim", name)),
+        {
+            let name = name.clone();
+            Box::new(move |s| s.custom_palettes.get(&name).unwrap().clone())
+        },
+        Box::new(|s| cond!(is_monochrome(s), 30.0, 80.0)),
+        Some(true),
+        Some(Box::new(highest_surface)),
+        None,
+        Some(ContrastCurve::new(1.0, 1.0, 3.0, 4.5)),
+        {
+            let name = name.clone();
+            Some(Box::new(move |_| ToneDeltaPair {
+                role_a: custom_fixed(String::from(&name)),
+                role_b: custom_fixed_dim(String::from(&name)),
+                delta: 10.0,
+                polarity: TonePolarity::Lighter,
+                togather: true,
+            }))
+        },
+    ))
+}
+
+pub fn on_custom_fixed(name: String) -> Rc<DynamicColor> {
+    Rc::new(DynamicColor::new(
+        Some(&format!("on_{}_fixed", name)),
+        {
+            let name = name.clone();
+            Box::new(move |s| s.custom_palettes.get(&name).unwrap().clone())
+        },
+        Box::new(|s| cond!(is_monochrome(s), 100.0, 10.0)),
+        None,
+        {
+            let name = name.clone();
+            Some(Box::new(move |_| custom_fixed_dim(String::from(&name))))
+        },
+        Some(Box::new(move |_| custom_fixed(String::from(&name)))),
+        Some(ContrastCurve::new(4.5, 7.0, 11.0, 21.0)),
+        None,
+    ))
+}
+
+pub fn on_custom_fixed_variant(name: String) -> Rc<DynamicColor> {
+    Rc::new(DynamicColor::new(
+        Some(&format!("on_{}_fixed_variant", name)),
+        {
+            let name = name.clone();
+            Box::new(move |s| s.custom_palettes.get(&name).unwrap().clone())
+        },
+        Box::new(|s| cond!(is_monochrome(s), 90.0, 30.0)),
+        None,
+        {
+            let name = name.clone();
+            Some(Box::new(move |_| custom_fixed_dim(String::from(&name))))
+        },
+        Some(Box::new(move |_| custom_fixed(String::from(&name)))),
+        Some(ContrastCurve::new(3.0, 4.5, 7.0, 11.0)),
+        None,
+    ))
+}

color-module/src/schemes/material_design_3_dynamic/mod.rs

@@ -0,0 +1,187 @@
+use std::{collections::HashMap, str::FromStr};
+
+use dynamic_scheme::DynamicScheme;
+use material_colors::*;
+use palette::{IntoColor, Lch, Srgb};
+use wasm_bindgen::{prelude::wasm_bindgen, JsValue};
+
+use crate::{cond, convert::map_lch_to_srgb_hex, errors};
+
+use super::material_design_3::{M3BaselineColors, M3ColorSet, M3SurfaceSet};
+pub use constants::Variant;
+
+mod constants;
+mod contrast;
+mod contrast_curve;
+mod dynamic_color;
+mod dynamic_scheme;
+mod material_colors;
+
+#[wasm_bindgen]
+pub fn material_design_3_dynamic_variant() -> Result<JsValue, String> {
+    let variants = enum_iterator::all::<constants::Variant>()
+        .map(|variant| {
+            serde_json::json!({
+                "label": variant.label(),
+                "value": variant as u8,
+            })
+        })
+        .collect::<Vec<_>>();
+
+    Ok(serde_wasm_bindgen::to_value(&variants).map_err(|e| e.to_string())?)
+}
+
+fn build_primary_color_set(scheme: &DynamicScheme) -> M3ColorSet {
+    M3ColorSet {
+        root: map_lch_to_srgb_hex(&PRIMARY.get_lch(scheme)),
+        on_root: map_lch_to_srgb_hex(&ON_PRIMARY.get_lch(scheme)),
+        container: map_lch_to_srgb_hex(&PRIMARY_CONTAINER.get_lch(scheme)),
+        on_container: map_lch_to_srgb_hex(&ON_PRIMARY_CONTAINER.get_lch(scheme)),
+        fixed: map_lch_to_srgb_hex(&PRIMARY_FIXED.get_lch(scheme)),
+        on_fixed: map_lch_to_srgb_hex(&ON_PRIMARY_FIXED.get_lch(scheme)),
+        fixed_variant: map_lch_to_srgb_hex(&ON_PRIMARY_FIXED_VARIANT.get_lch(scheme)),
+        fixed_dim: map_lch_to_srgb_hex(&PRIMARY_FIXED_DIM.get_lch(scheme)),
+        inverse: map_lch_to_srgb_hex(&INVERSE_PRIMARY.get_lch(scheme)),
+    }
+}
+
+fn build_secondary_color_set(scheme: &DynamicScheme) -> M3ColorSet {
+    M3ColorSet {
+        root: map_lch_to_srgb_hex(&SECONDARY.get_lch(scheme)),
+        on_root: map_lch_to_srgb_hex(&ON_SECONDARY.get_lch(scheme)),
+        container: map_lch_to_srgb_hex(&SECONDARY_CONTAINER.get_lch(scheme)),
+        on_container: map_lch_to_srgb_hex(&ON_SECONDARY_CONTAINER.get_lch(scheme)),
+        fixed: map_lch_to_srgb_hex(&SECONDARY_FIXED.get_lch(scheme)),
+        on_fixed: map_lch_to_srgb_hex(&ON_SECONDARY_FIXED.get_lch(scheme)),
+        fixed_variant: map_lch_to_srgb_hex(&ON_SECONDARY_FIXED_VARIANT.get_lch(scheme)),
+        fixed_dim: map_lch_to_srgb_hex(&SECONDARY_FIXED_DIM.get_lch(scheme)),
+        ..cond!(
+            scheme.is_dark,
+            M3ColorSet::new_dark_set(&scheme.secondary_palette),
+            M3ColorSet::new_light_set(&scheme.secondary_palette)
+        )
+    }
+}
+
+fn build_tertiary_color_set(scheme: &DynamicScheme) -> M3ColorSet {
+    M3ColorSet {
+        root: map_lch_to_srgb_hex(&TERTIARY.get_lch(scheme)),
+        on_root: map_lch_to_srgb_hex(&ON_TERTIARY.get_lch(scheme)),
+        container: map_lch_to_srgb_hex(&TERTIARY_CONTAINER.get_lch(scheme)),
+        on_container: map_lch_to_srgb_hex(&ON_TERTIARY_CONTAINER.get_lch(scheme)),
+        fixed: map_lch_to_srgb_hex(&TERTIARY_FIXED.get_lch(scheme)),
+        on_fixed: map_lch_to_srgb_hex(&ON_TERTIARY_FIXED.get_lch(scheme)),
+        fixed_variant: map_lch_to_srgb_hex(&ON_TERTIARY_FIXED_VARIANT.get_lch(scheme)),
+        fixed_dim: map_lch_to_srgb_hex(&TERTIARY_FIXED_DIM.get_lch(scheme)),
+        ..cond!(
+            scheme.is_dark,
+            M3ColorSet::new_dark_set(&scheme.tertiary_palette),
+            M3ColorSet::new_light_set(&scheme.tertiary_palette)
+        )
+    }
+}
+
+fn build_surface_color_set(scheme: &DynamicScheme) -> M3SurfaceSet {
+    M3SurfaceSet {
+        root: map_lch_to_srgb_hex(&SURFACE.get_lch(scheme)),
+        dim: map_lch_to_srgb_hex(&SURFACE_DIM.get_lch(scheme)),
+        bright: map_lch_to_srgb_hex(&SURFACE_BRIGHT.get_lch(scheme)),
+        variant: map_lch_to_srgb_hex(&SURFACE_VARIANT.get_lch(scheme)),
+        container: map_lch_to_srgb_hex(&SURFACE_CONTAINER.get_lch(scheme)),
+        container_lowest: map_lch_to_srgb_hex(&SURFACE_CONTAINER_LOWEST.get_lch(scheme)),
+        container_low: map_lch_to_srgb_hex(&SURFACE_CONTAINER_LOW.get_lch(scheme)),
+        container_high: map_lch_to_srgb_hex(&SURFACE_CONTAINER_HIGH.get_lch(scheme)),
+        container_highest: map_lch_to_srgb_hex(&SURFACE_CONTAINER_HIGHEST.get_lch(scheme)),
+        on_root: map_lch_to_srgb_hex(&ON_SURFACE.get_lch(scheme)),
+        on_root_variant: map_lch_to_srgb_hex(&ON_SURFACE_VARIANT.get_lch(scheme)),
+        inverse: map_lch_to_srgb_hex(&INVERSE_SURFACE.get_lch(scheme)),
+        on_inverse: map_lch_to_srgb_hex(&INVERSE_ON_SURFACE.get_lch(scheme)),
+    }
+}
+
+fn build_error_color_set(scheme: &DynamicScheme) -> M3ColorSet {
+    M3ColorSet {
+        root: map_lch_to_srgb_hex(&ERROR.get_lch(scheme)),
+        on_root: map_lch_to_srgb_hex(&ON_ERROR.get_lch(scheme)),
+        container: map_lch_to_srgb_hex(&ERROR_CONTAINER.get_lch(scheme)),
+        on_container: map_lch_to_srgb_hex(&ON_ERROR_CONTAINER.get_lch(scheme)),
+        ..cond!(
+            scheme.is_dark,
+            M3ColorSet::new_dark_set(&scheme.error_palette),
+            M3ColorSet::new_light_set(&scheme.error_palette)
+        )
+    }
+}
+
+fn build_custom_color_set(scheme: &DynamicScheme, name: String) -> M3ColorSet {
+    M3ColorSet {
+        root: map_lch_to_srgb_hex(&custom(name.clone()).get_lch(scheme)),
+        on_root: map_lch_to_srgb_hex(&on_custom(name.clone()).get_lch(scheme)),
+        container: map_lch_to_srgb_hex(&custom_container(name.clone()).get_lch(scheme)),
+        on_container: map_lch_to_srgb_hex(&on_custom_container(name.clone()).get_lch(scheme)),
+        fixed: map_lch_to_srgb_hex(&custom_fixed(name.clone()).get_lch(scheme)),
+        on_fixed: map_lch_to_srgb_hex(&on_custom_fixed(name.clone()).get_lch(scheme)),
+        fixed_variant: map_lch_to_srgb_hex(&on_custom_fixed_variant(name.clone()).get_lch(scheme)),
+        fixed_dim: map_lch_to_srgb_hex(&custom_fixed_dim(name.clone()).get_lch(scheme)),
+        inverse: map_lch_to_srgb_hex(&inverse_custom(name.clone()).get_lch(scheme)),
+    }
+}
+
+pub fn build_baseline(scheme: &DynamicScheme) -> M3BaselineColors {
+    M3BaselineColors::full_custom(
+        build_primary_color_set(scheme),
+        build_secondary_color_set(scheme),
+        build_tertiary_color_set(scheme),
+        build_error_color_set(scheme),
+        build_surface_color_set(scheme),
+        map_lch_to_srgb_hex(&OUTLINE.get_lch(scheme)),
+        map_lch_to_srgb_hex(&OUTLINE_VARIANT.get_lch(scheme)),
+        map_lch_to_srgb_hex(&SCRIM.get_lch(scheme)),
+        map_lch_to_srgb_hex(&SHADOW.get_lch(scheme)),
+        scheme
+            .custom_palettes
+            .keys()
+            .map(|name| (name.clone(), build_custom_color_set(scheme, name.clone())))
+            .collect(),
+        scheme.is_dark,
+    )
+}
+
+pub fn build_dynamic_scheme(
+    source_color: &str,
+    error_color: Option<String>,
+    custom_colors: HashMap<String, String>,
+    variant: constants::Variant,
+    contrast_level: f32,
+    is_dark: bool,
+    harmonize_customs: bool,
+) -> Result<DynamicScheme, errors::ColorError> {
+    let source_color = Srgb::from_str(source_color)
+        .map_err(|_| errors::ColorError::UnrecogniazedRGB(source_color.to_string()))?
+        .into_format::<f32>()
+        .into_color();
+    let error_color = error_color
+        .map(|color| Srgb::from_str(&color))
+        .transpose()
+        .map_err(|_| errors::ColorError::UnrecogniazedRGB("error color".to_string()))?
+        .map(|color| color.into_format::<f32>().into_color());
+    let custom_colors = custom_colors
+        .into_iter()
+        .map(|(name, color)| {
+            let color = Srgb::from_str(&color)
+                .map_err(|_| errors::ColorError::UnrecogniazedRGB(color.clone()))?
+                .into_format::<f32>()
+                .into_color();
+            Ok((name, color))
+        })
+        .collect::<Result<HashMap<String, Lch>, errors::ColorError>>()?;
+    Ok(DynamicScheme::new(
+        source_color,
+        error_color,
+        custom_colors,
+        variant,
+        contrast_level,
+        is_dark,
+        harmonize_customs,
+    ))
+}

color-module/src/schemes/mod.rs

@@ -2,6 +2,7 @@ use std::collections::HashMap;
 
 use material_design_2::MaterialDesign2Scheme;
 use material_design_3::MaterialDesign3Scheme;
+use material_design_3_dynamic::{build_baseline, build_dynamic_scheme, Variant};
 use q_style::{QScheme, SchemeSetting};
 use swatch_style::{SwatchEntry, SwatchSchemeSetting};
 use wasm_bindgen::{prelude::wasm_bindgen, JsValue};
@@ -10,6 +11,7 @@ use crate::errors;
 
 pub mod material_design_2;
 pub mod material_design_3;
+pub mod material_design_3_dynamic;
 pub mod q_style;
 pub mod swatch_style;
 
@@ -142,3 +144,49 @@ pub fn generate_swatch_scheme(
     ))
     .map_err(|_| errors::ColorError::UnableToAssembleOutput)?)
 }
+
+#[wasm_bindgen]
+pub fn generate_material_design_3_dynamic_scheme(
+    source_color: &str,
+    error_color: Option<String>,
+    variant: u8,
+    contrast_level: f32,
+    harmonize_customs: bool,
+    custom_colors: JsValue,
+) -> Result<JsValue, errors::ColorError> {
+    let custom_colors: HashMap<String, String> = serde_wasm_bindgen::from_value(custom_colors)
+        .map_err(|_| errors::ColorError::UnableToParseArgument)?;
+    let variant = Variant::from_u8(variant);
+
+    let light_scheme = build_dynamic_scheme(
+        source_color,
+        error_color.clone(),
+        custom_colors.clone(),
+        variant,
+        contrast_level,
+        false,
+        harmonize_customs,
+    )?;
+    let dark_scheme = build_dynamic_scheme(
+        source_color,
+        error_color,
+        custom_colors,
+        variant,
+        contrast_level,
+        true,
+        harmonize_customs,
+    )?;
+
+    let scheme = MaterialDesign3Scheme::full_custom(
+        build_baseline(&light_scheme),
+        build_baseline(&dark_scheme),
+    );
+
+    Ok(serde_wasm_bindgen::to_value(&(
+        scheme.clone(),
+        scheme.output_css_variables(),
+        scheme.output_scss_variables(),
+        scheme.output_javascript_object(),
+    ))
+    .map_err(|_| errors::ColorError::UnableToAssembleOutput)?)
+}

color-module/src/theory.rs

@@ -106,3 +106,33 @@ pub fn triadic(color: &str) -> Result<Vec<String>, errors::ColorError> {
         format!("{:x}", srgb_p240.into_format::<u8>()),
     ])
 }
+
+pub fn sanitize_hue_degrees(degrees: f32) -> f32 {
+    let degrees = degrees % 360.0;
+    if degrees < 0.0 {
+        degrees + 360.0
+    } else {
+        degrees
+    }
+}
+
+#[inline]
+fn difference_in_degrees(a: f32, b: f32) -> f32 {
+    180.0 - ((a - b).abs() - 180.0).abs()
+}
+
+#[inline]
+fn rotation_direction(from: f32, to: f32) -> f32 {
+    let difference = sanitize_hue_degrees(to - from);
+    if difference <= 180.0 {
+        1.0
+    } else {
+        -1.0
+    }
+}
+
+pub fn harmonize_hue(design_hue: f32, source_hue: f32) -> f32 {
+    let difference = difference_in_degrees(design_hue, source_hue);
+    let rotation_degrees = (difference * 0.5).min(15.0);
+    sanitize_hue_degrees(design_hue + rotation_degrees * rotation_direction(design_hue, source_hue))
+}

src/components/SchemeSign.module.css

@@ -17,5 +17,9 @@
       background-color: #a78fff;
       color: var(--color-qihei);
     }
+    &.m3d {
+      background-color: #ffde3f;
+      color: var(--color-qihei);
+    }
   }
 }

src/components/SchemeSign.tsx

@@ -22,6 +22,8 @@ export function SchemeSign({ scheme, short = false }: SchemeSignProps) {
         return styles.m2;
       case 'material_3':
         return styles.m3;
+      case 'material_3_dynamic':
+        return styles.m3d;
     }
   }, [scheme]);
 

src/components/Switch.tsx

@@ -31,9 +31,7 @@ export function Switch({ name, checked = false, disabled = false, onChange }: Sw
       <div
         className={cx(styles.switch_handle, isChecked && styles.checked)}
         onClick={handleSwitch}></div>
-      {!isNil(name) && (
+      {!isNil(name) && <input type="hidden" name={name} value={isChecked ? 'true' : 'false'} />}
-        <input type="hidden" name={name} value={isChecked ? 'checked' : undefined} />
-      )}
     </div>
   );
 }

src/material-3-scheme.ts

@@ -58,3 +58,20 @@ export type MaterialDesign3SchemeStorage = {
   scssVariables?: string;
   jsVariables?: string;
 };
+
+export type MaterialDesign3DynamicSchemeSource = {
+  source: string | null;
+  error: string | null;
+  custom_colors?: Record<string, string>;
+  variant: number | null;
+  constrastLevel: number | null;
+  harmonizeCustoms: boolean | null;
+};
+
+export type MaterialDesign3DynamicSchemeStorage = {
+  source?: MaterialDesign3DynamicSchemeSource;
+  scheme?: MaterialDesign3Scheme;
+  cssVariables?: string;
+  scssVariables?: string;
+  jsVariables?: string;
+};

src/models.ts

@@ -29,7 +29,12 @@ export type ColorDescription = {
   oklch: [number, number, number];
 };
 
-export type SchemeType = 'q_scheme' | 'swatch_scheme' | 'material_2' | 'material_3';
+export type SchemeType =
+  | 'q_scheme'
+  | 'swatch_scheme'
+  | 'material_2'
+  | 'material_3'
+  | 'material_3_dynamic';
 export type SchemeTypeOption = {
   label: string;
   short: string;
@@ -40,6 +45,7 @@ export const SchemeTypeOptions: SchemeTypeOption[] = [
   { label: 'Swatch Scheme', short: 'Swatch', value: 'swatch_scheme' },
   { label: 'Material Design 2 Scheme', short: 'M2', value: 'material_2' },
   { label: 'Material Design 3 Scheme', short: 'M3', value: 'material_3' },
+  { label: 'Material Design 3 Dynamic Scheme', short: 'M3D', value: 'material_3_dynamic' },
 ];
 
 export function schemeType(

src/page-components/scheme/M3DynamicScheme.tsx

@@ -0,0 +1,35 @@
+import { isEqual, isNil } from 'lodash-es';
+import { useState } from 'react';
+import { Tab } from '../../components/Tab';
+import { MaterialDesign3DynamicSchemeStorage } from '../../material-3-scheme';
+import { SchemeContent } from '../../models';
+import { SchemeExport } from './Export';
+import { M3DynamicSchemeBuilder } from './m3-dynamic-scheme/Builder';
+import { M3SchemePreview } from './m3-scheme/Preview';
+
+const tabOptions = [
+  { title: 'Overview', id: 'overview' },
+  { title: 'Builder', id: 'builder' },
+  { title: 'Exports', id: 'export' },
+];
+
+type M3SchemeProps = {
+  scheme: SchemeContent<MaterialDesign3DynamicSchemeStorage>;
+};
+
+export function M3DynamicScheme({ scheme }: M3SchemeProps) {
+  const [activeTab, setActiveTab] = useState<(typeof tabOptions)[number]['id']>(() =>
+    isNil(scheme.schemeStorage.scheme) ? 'builder' : 'overview',
+  );
+
+  return (
+    <>
+      <Tab tabs={tabOptions} activeTab={activeTab} onActive={(v) => setActiveTab(v as string)} />
+      {isEqual(activeTab, 'overview') && <M3SchemePreview scheme={scheme.schemeStorage.scheme} />}
+      {isEqual(activeTab, 'builder') && (
+        <M3DynamicSchemeBuilder scheme={scheme} onBuildCompleted={() => setActiveTab('overview')} />
+      )}
+      {isEqual(activeTab, 'export') && <SchemeExport scheme={scheme} />}
+    </>
+  );
+}

src/page-components/scheme/M3Scheme.tsx

@@ -25,7 +25,7 @@ export function M3Scheme({ scheme }: M3SchemeProps) {
   return (
     <>
       <Tab tabs={tabOptions} activeTab={activeTab} onActive={(v) => setActiveTab(v as string)} />
-      {isEqual(activeTab, 'overview') && <M3SchemePreview scheme={scheme} />}
+      {isEqual(activeTab, 'overview') && <M3SchemePreview scheme={scheme.schemeStorage.scheme} />}
       {isEqual(activeTab, 'builder') && (
         <M3SchemeBuilder scheme={scheme} onBuildCompleted={() => setActiveTab('overview')} />
       )}

src/page-components/scheme/m3-dynamic-scheme/Builder.module.css

@@ -0,0 +1,52 @@
+@layer pages {
+  .builder_layout {
+    padding: var(--spacing-s) var(--spacing-m);
+    font-size: var(--font-size-s);
+    line-height: 1.3em;
+    display: grid;
+    grid-template-columns: repeat(3, 200px);
+    align-items: center;
+    gap: var(--spacing-xs);
+    .label {
+      max-width: 200px;
+      grid-column: 1;
+      padding-inline-end: var(--spacing-m);
+      text-align: right;
+    }
+    .segment_title {
+      grid-column: 1 / span 2;
+      text-align: center;
+    }
+    .color_picker_row {
+      grid-column: 2 / span 2;
+      display: flex;
+      align-items: center;
+      gap: var(--spacing-s);
+    }
+    .parallel_row {
+      display: flex;
+      flex-direction: row;
+      align-items: center;
+      gap: var(--spacing-s);
+    }
+    h5 {
+      font-size: var(--font-size-m);
+      line-height: 1.7em;
+    }
+    .error_msg {
+      color: var(--color-danger);
+      font-size: var(--font-size-xs);
+    }
+    .delete_btn {
+      font-size: var(--font-size-xs);
+      color: var(--color-yuebai);
+      background-color: oklch(from var(--color-danger) l c h / 0.25);
+      &:hover {
+        background-color: oklch(from var(--color-danger-hover) l c h / 0.65);
+      }
+      &:active {
+        background-color: oklch(from var(--color-danger-active) l c h / 0.65);
+      }
+    }
+  }
+}

src/page-components/scheme/m3-dynamic-scheme/Builder.tsx

@@ -0,0 +1,186 @@
+import { includes, isEmpty, isEqual, isNil } from 'lodash-es';
+import { useActionState, useCallback, useMemo, useState } from 'react';
+import { useColorFunction } from '../../../ColorFunctionContext';
+import { FloatColorPicker } from '../../../components/FloatColorPicker';
+import { ScrollArea } from '../../../components/ScrollArea';
+import { Switch } from '../../../components/Switch';
+import { VSegmentedControl } from '../../../components/VSegmentedControl';
+import { MaterialDesign3DynamicSchemeStorage } from '../../../material-3-scheme';
+import { Option, SchemeContent } from '../../../models';
+import { useUpdateScheme } from '../../../stores/schemes';
+import { ColorEntry, IdenticalColorEntry } from '../ColorEntry';
+import styles from './Builder.module.css';
+
+type M3DynamicSchemeBuilderProps = {
+  scheme: SchemeContent<MaterialDesign3DynamicSchemeStorage>;
+  onBuildCompleted?: () => void;
+};
+
+export function M3DynamicSchemeBuilder({ scheme, onBuildCompleted }: M3DynamicSchemeBuilderProps) {
+  const { colorFn } = useColorFunction();
+  const updateScheme = useUpdateScheme(scheme.id);
+  const originalColors = useMemo(() => {
+    return Object.entries(scheme.schemeStorage.source?.custom_colors ?? {}).map(
+      ([name, color], index) => ({ id: `oc_${index}`, name, color } as IdenticalColorEntry),
+    );
+  }, [scheme.schemeStorage.source]);
+  const [newColors, setNewColors] = useState<IdenticalColorEntry[]>([]);
+  const [deleted, setDeleted] = useState<string[]>([]);
+  const addEntryAction = useCallback(() => {
+    setNewColors((prev) => [...prev, { id: `nc_${prev.length}`, name: '', color: '' }]);
+  }, []);
+  const colorKeys = useMemo(
+    () =>
+      [...originalColors, ...newColors]
+        .map((color) => color.id)
+        .filter((c) => !includes(deleted, c)),
+    [originalColors, newColors, deleted],
+  );
+  const variantOptions = useMemo(() => {
+    if (!colorFn) return [];
+    try {
+      return colorFn.material_design_3_dynamic_variant() as Option[];
+    } catch (e) {
+      console.error('[m3 dynamic builder]', e);
+    }
+    return [];
+  }, []);
+  const [contrastLevel, setContrastLevel] = useState<number>(
+    scheme.schemeStorage.source?.constrastLevel ?? 0,
+  );
+
+  const [errMsg, handleSubmitAction] = useActionState<Map<string, string>, FormData>(
+    (_state, formData) => {
+      const errMsg = new Map<string, string>();
+
+      const sourceColor = formData.get('source') as string;
+      if (isNil(sourceColor) || isEmpty(sourceColor)) {
+        errMsg.set('source', 'Source color is required');
+      }
+      if (!isEmpty(errMsg)) return errMsg;
+
+      try {
+        const dynamicVariant = Number(formData.get('variant'));
+        const contrastLevel = Number(formData.get('contrast_level'));
+        const harmonizeCustoms = isEqual(formData.get('harmonize_customs'), 'true');
+        const errorColor = formData.get('error') as string;
+        const customColors: Record<string, string> = {};
+        for (const key of colorKeys) {
+          const name = formData.get(`name_${key}`) as string;
+          const color = formData.get(`color_${key}`) as string;
+          if (isNil(name) || isEmpty(name) || isNil(color) || isEmpty(color)) continue;
+          customColors[name] = color;
+        }
+
+        const generate_scheme = colorFn.generate_material_design_3_dynamic_scheme(
+          sourceColor,
+          isNil(errorColor) || isEmpty(errorColor) ? null : errorColor,
+          dynamicVariant,
+          contrastLevel,
+          harmonizeCustoms,
+          customColors,
+        );
+        console.debug('[generate m3d]', generate_scheme);
+      } catch (e) {
+        console.error('[generate m3d]', e);
+      }
+
+      return errMsg;
+    },
+    new Map<string, string>(),
+  );
+
+  return (
+    <ScrollArea enableY>
+      <form action={handleSubmitAction} className={styles.builder_layout}>
+        <h5 className={styles.segment_title}>Required Colors</h5>
+        <label className={styles.label}>Source Color</label>
+        <div className={styles.color_picker_row}>
+          <FloatColorPicker
+            name="source"
+            color={
+              isNil(scheme.schemeStorage.source?.source) ||
+              isEmpty(scheme.schemeStorage.source?.source)
+                ? undefined
+                : scheme.schemeStorage.source?.source
+            }
+          />
+          {errMsg.has('source') && <span className={styles.error_msg}>{errMsg.get('source')}</span>}
+        </div>
+        <label className={styles.label}>Error Color</label>
+        <div className={styles.color_picker_row}>
+          <FloatColorPicker
+            name="error"
+            color={
+              isNil(scheme.schemeStorage.source?.error) ||
+              isEmpty(scheme.schemeStorage.source.error)
+                ? undefined
+                : scheme.schemeStorage.source.error
+            }
+          />
+        </div>
+        <h5 className={styles.segment_title}>Dynamic Settings</h5>
+        <label className={styles.label}>Dynamic Variant</label>
+        <div>
+          <VSegmentedControl
+            name="variant"
+            options={variantOptions}
+            defaultValue={scheme.schemeStorage.source?.variant}
+          />
+        </div>
+        <label className={styles.label}>Contrast Level</label>
+        <div className={styles.parallel_row}>
+          <input
+            type="range"
+            className="picker"
+            name="contrast_level"
+            min={-1}
+            max={1}
+            step={0.25}
+            value={contrastLevel}
+            onChange={(e) => setContrastLevel(parseFloat(e.target.value))}
+          />
+          <span>{contrastLevel}</span>
+        </div>
+        <label className={styles.label}>Harmonize Custom Colors</label>
+        <div>
+          <Switch
+            name="harmonize_customs"
+            checked={scheme.schemeStorage.source?.harmonizeCustoms ?? false}
+          />
+        </div>
+        <h5 className={styles.segment_title}>Custom Colors</h5>
+        <label style={{ gridColumn: 1 }}>Name</label>
+        <label>Color</label>
+        <div>
+          <button type="button" className="small" onClick={addEntryAction}>
+            Add Color
+          </button>
+        </div>
+        {originalColors
+          .filter((color) => !includes(deleted, color.id))
+          .map((color) => (
+            <ColorEntry
+              key={color.id}
+              entry={color}
+              onDelete={(index) => setDeleted((prev) => [...prev, index])}
+            />
+          ))}
+        {newColors
+          .filter((color) => !includes(deleted, color.id))
+          .map((color) => (
+            <ColorEntry
+              key={color.id}
+              entry={color}
+              onDelete={(index) => setDeleted((prev) => [...prev, index])}
+            />
+          ))}
+        <div style={{ gridColumn: '2 / span 2' }}>
+          <button type="submit" className="primary">
+            Build Scheme
+          </button>
+        </div>
+      </form>
+    </ScrollArea>
+  );
+}

src/page-components/scheme/m3-scheme/Preview.tsx

@@ -1,11 +1,5 @@
 import { ScrollArea } from '../../../components/ScrollArea';
-import {
+import { Baseline, ColorSet, MaterialDesign3Scheme, Surface } from '../../../material-3-scheme';
-  Baseline,
-  ColorSet,
-  MaterialDesign3SchemeStorage,
-  Surface,
-} from '../../../material-3-scheme';
-import { SchemeContent } from '../../../models';
 import styles from './Preview.module.css';
 
 type ColorSetProps = {
@@ -257,15 +251,15 @@ function PreviewBlock({ title, baseline }: PreviewBlockProps) {
 }
 
 type M3SchemePreviewProps = {
-  scheme: SchemeContent<MaterialDesign3SchemeStorage>;
+  scheme: MaterialDesign3Scheme;
 };
 
 export function M3SchemePreview({ scheme }: M3SchemePreviewProps) {
   return (
     <ScrollArea enableY>
       <div className={styles.preview_layout}>
-        <PreviewBlock title="Light Scheme" baseline={scheme.schemeStorage.scheme!.light_baseline} />
+        <PreviewBlock title="Light Scheme" baseline={scheme.light_baseline} />
-        <PreviewBlock title="Dark Scheme" baseline={scheme.schemeStorage.scheme!.dark_baseline} />
+        <PreviewBlock title="Dark Scheme" baseline={scheme.dark_baseline} />
       </div>
     </ScrollArea>
   );

src/pages/SchemeDetail.tsx

@@ -6,10 +6,14 @@ import { EditableDescription } from '../components/EditableDescription';
 import { EditableTitle } from '../components/EditableTitle';
 import { SchemeSign } from '../components/SchemeSign';
 import { MaterialDesign2SchemeStorage } from '../material-2-scheme';
-import { MaterialDesign3SchemeStorage } from '../material-3-scheme';
+import {
+  MaterialDesign3DynamicSchemeStorage,
+  MaterialDesign3SchemeStorage,
+} from '../material-3-scheme';
 import { SchemeContent } from '../models';
 import { CorruptedScheme } from '../page-components/scheme/CorruptedScheme';
 import { M2Scheme } from '../page-components/scheme/M2Scheme';
+import { M3DynamicScheme } from '../page-components/scheme/M3DynamicScheme';
 import { M3Scheme } from '../page-components/scheme/M3Scheme';
 import { QScheme } from '../page-components/scheme/QScheme';
 import { SwatchScheme } from '../page-components/scheme/SwatchScheme';
@@ -52,6 +56,10 @@ export function SchemeDetail() {
         return <M2Scheme scheme={scheme as SchemeContent<MaterialDesign2SchemeStorage>} />;
       case 'material_3':
         return <M3Scheme scheme={scheme as SchemeContent<MaterialDesign3SchemeStorage>} />;
+      case 'material_3_dynamic':
+        return (
+          <M3DynamicScheme scheme={scheme as SchemeContent<MaterialDesign3DynamicSchemeStorage>} />
+        );
       default:
         return <CorruptedScheme />;
     }