diff --git a/src/color_functions/color_module.d.ts b/src/color_functions/color_module.d.ts
index c4406ea..48ae85f 100644
--- a/src/color_functions/color_module.d.ts
+++ b/src/color_functions/color_module.d.ts
@@ -31,9 +31,13 @@ export function tonal_darken_series(color: string, expand_amount: number, step:
 export function color_categories(): any;
 export function search_color_cards(tag: string, category?: string): any;
 export function differ_in_rgb(color: string, other: string): RGBDifference;
+export function relative_differ_in_rgb(color: string, other: string): RGBDifference;
 export function differ_in_hsl(color: string, other: string): HSLDifference;
+export function relative_differ_in_hsl(color: string, other: string): HSLDifference;
 export function differ_in_hct(color: string, other: string): HctDiffference;
+export function relative_differ_in_hct(color: string, other: string): HctDiffference;
 export function differ_in_oklch(color: string, other: string): OklchDifference;
+export function relative_differ_in_oklch(color: string, other: string): OklchDifference;
 export function tint_scale(basic_color: string, mixed_color: string): MixReversing;
 export function shade_scale(basic_color: string, mixed_color: string): MixReversing;
 export class Differ {
@@ -114,11 +118,20 @@ export interface InitOutput {
   readonly color_categories: () => [number, number, number];
   readonly search_color_cards: (a: number, b: number, c: number, d: number) => [number, number, number];
   readonly differ_in_rgb: (a: number, b: number, c: number, d: number) => [number, number, number];
+  readonly relative_differ_in_rgb: (a: number, b: number, c: number, d: number) => [number, number, number];
   readonly differ_in_hsl: (a: number, b: number, c: number, d: number) => [number, number, number];
+  readonly relative_differ_in_hsl: (a: number, b: number, c: number, d: number) => [number, number, number];
   readonly differ_in_hct: (a: number, b: number, c: number, d: number) => [number, number, number];
+  readonly relative_differ_in_hct: (a: number, b: number, c: number, d: number) => [number, number, number];
   readonly differ_in_oklch: (a: number, b: number, c: number, d: number) => [number, number, number];
+  readonly relative_differ_in_oklch: (a: number, b: number, c: number, d: number) => [number, number, number];
   readonly tint_scale: (a: number, b: number, c: number, d: number) => [number, number, number];
   readonly shade_scale: (a: number, b: number, c: number, d: number) => [number, number, number];
+  readonly __wbg_differ_free: (a: number, b: number) => void;
+  readonly __wbg_get_differ_delta: (a: number) => number;
+  readonly __wbg_set_differ_delta: (a: number, b: number) => void;
+  readonly __wbg_get_differ_percent: (a: number) => number;
+  readonly __wbg_set_differ_percent: (a: number, b: number) => void;
   readonly __wbg_mixreversing_free: (a: number, b: number) => void;
   readonly __wbg_get_mixreversing_r_factor: (a: number) => number;
   readonly __wbg_set_mixreversing_r_factor: (a: number, b: number) => void;
@@ -128,18 +141,6 @@ export interface InitOutput {
   readonly __wbg_set_mixreversing_b_factor: (a: number, b: number) => void;
   readonly __wbg_get_mixreversing_average: (a: number) => number;
   readonly __wbg_set_mixreversing_average: (a: number, b: number) => void;
-  readonly __wbg_rgbdifference_free: (a: number, b: number) => void;
-  readonly __wbg_get_rgbdifference_r: (a: number) => number;
-  readonly __wbg_set_rgbdifference_r: (a: number, b: number) => void;
-  readonly __wbg_get_rgbdifference_g: (a: number) => number;
-  readonly __wbg_set_rgbdifference_g: (a: number, b: number) => void;
-  readonly __wbg_get_rgbdifference_b: (a: number) => number;
-  readonly __wbg_set_rgbdifference_b: (a: number, b: number) => void;
-  readonly __wbg_differ_free: (a: number, b: number) => void;
-  readonly __wbg_get_differ_delta: (a: number) => number;
-  readonly __wbg_set_differ_delta: (a: number, b: number) => void;
-  readonly __wbg_get_differ_percent: (a: number) => number;
-  readonly __wbg_set_differ_percent: (a: number, b: number) => void;
   readonly __wbg_oklchdifference_free: (a: number, b: number) => void;
   readonly __wbg_get_oklchdifference_hue: (a: number) => number;
   readonly __wbg_set_oklchdifference_hue: (a: number, b: number) => void;
@@ -147,13 +148,13 @@ export interface InitOutput {
   readonly __wbg_set_oklchdifference_chroma: (a: number, b: number) => void;
   readonly __wbg_get_oklchdifference_lightness: (a: number) => number;
   readonly __wbg_set_oklchdifference_lightness: (a: number, b: number) => void;
-  readonly __wbg_hctdiffference_free: (a: number, b: number) => void;
-  readonly __wbg_get_hctdiffference_hue: (a: number) => number;
-  readonly __wbg_set_hctdiffference_hue: (a: number, b: number) => void;
-  readonly __wbg_get_hctdiffference_chroma: (a: number) => number;
-  readonly __wbg_set_hctdiffference_chroma: (a: number, b: number) => void;
-  readonly __wbg_get_hctdiffference_lightness: (a: number) => number;
-  readonly __wbg_set_hctdiffference_lightness: (a: number, b: number) => void;
+  readonly __wbg_rgbdifference_free: (a: number, b: number) => void;
+  readonly __wbg_get_rgbdifference_r: (a: number) => number;
+  readonly __wbg_set_rgbdifference_r: (a: number, b: number) => void;
+  readonly __wbg_get_rgbdifference_g: (a: number) => number;
+  readonly __wbg_set_rgbdifference_g: (a: number, b: number) => void;
+  readonly __wbg_get_rgbdifference_b: (a: number) => number;
+  readonly __wbg_set_rgbdifference_b: (a: number, b: number) => void;
   readonly __wbg_hsldifference_free: (a: number, b: number) => void;
   readonly __wbg_get_hsldifference_hue: (a: number) => number;
   readonly __wbg_set_hsldifference_hue: (a: number, b: number) => void;
@@ -161,6 +162,13 @@ export interface InitOutput {
   readonly __wbg_set_hsldifference_saturation: (a: number, b: number) => void;
   readonly __wbg_get_hsldifference_lightness: (a: number) => number;
   readonly __wbg_set_hsldifference_lightness: (a: number, b: number) => void;
+  readonly __wbg_hctdiffference_free: (a: number, b: number) => void;
+  readonly __wbg_get_hctdiffference_hue: (a: number) => number;
+  readonly __wbg_set_hctdiffference_hue: (a: number, b: number) => void;
+  readonly __wbg_get_hctdiffference_chroma: (a: number) => number;
+  readonly __wbg_set_hctdiffference_chroma: (a: number, b: number) => void;
+  readonly __wbg_get_hctdiffference_lightness: (a: number) => number;
+  readonly __wbg_set_hctdiffference_lightness: (a: number, b: number) => void;
   readonly __wbindgen_malloc: (a: number, b: number) => number;
   readonly __wbindgen_realloc: (a: number, b: number, c: number, d: number) => number;
   readonly __wbindgen_export_2: WebAssembly.Table;
diff --git a/src/color_functions/color_module.js b/src/color_functions/color_module.js
index 5502430..f3a14b4 100644
--- a/src/color_functions/color_module.js
+++ b/src/color_functions/color_module.js
@@ -756,6 +756,23 @@ export function differ_in_rgb(color, other) {
     return RGBDifference.__wrap(ret[0]);
 }
 
+/**
+ * @param {string} color
+ * @param {string} other
+ * @returns {RGBDifference}
+ */
+export function relative_differ_in_rgb(color, other) {
+    const ptr0 = passStringToWasm0(color, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+    const len0 = WASM_VECTOR_LEN;
+    const ptr1 = passStringToWasm0(other, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+    const len1 = WASM_VECTOR_LEN;
+    const ret = wasm.relative_differ_in_rgb(ptr0, len0, ptr1, len1);
+    if (ret[2]) {
+        throw takeFromExternrefTable0(ret[1]);
+    }
+    return RGBDifference.__wrap(ret[0]);
+}
+
 /**
  * @param {string} color
  * @param {string} other
@@ -773,6 +790,23 @@ export function differ_in_hsl(color, other) {
     return HSLDifference.__wrap(ret[0]);
 }
 
+/**
+ * @param {string} color
+ * @param {string} other
+ * @returns {HSLDifference}
+ */
+export function relative_differ_in_hsl(color, other) {
+    const ptr0 = passStringToWasm0(color, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+    const len0 = WASM_VECTOR_LEN;
+    const ptr1 = passStringToWasm0(other, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+    const len1 = WASM_VECTOR_LEN;
+    const ret = wasm.relative_differ_in_hsl(ptr0, len0, ptr1, len1);
+    if (ret[2]) {
+        throw takeFromExternrefTable0(ret[1]);
+    }
+    return HSLDifference.__wrap(ret[0]);
+}
+
 /**
  * @param {string} color
  * @param {string} other
@@ -790,6 +824,23 @@ export function differ_in_hct(color, other) {
     return HctDiffference.__wrap(ret[0]);
 }
 
+/**
+ * @param {string} color
+ * @param {string} other
+ * @returns {HctDiffference}
+ */
+export function relative_differ_in_hct(color, other) {
+    const ptr0 = passStringToWasm0(color, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+    const len0 = WASM_VECTOR_LEN;
+    const ptr1 = passStringToWasm0(other, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+    const len1 = WASM_VECTOR_LEN;
+    const ret = wasm.relative_differ_in_hct(ptr0, len0, ptr1, len1);
+    if (ret[2]) {
+        throw takeFromExternrefTable0(ret[1]);
+    }
+    return HctDiffference.__wrap(ret[0]);
+}
+
 /**
  * @param {string} color
  * @param {string} other
@@ -807,6 +858,23 @@ export function differ_in_oklch(color, other) {
     return OklchDifference.__wrap(ret[0]);
 }
 
+/**
+ * @param {string} color
+ * @param {string} other
+ * @returns {OklchDifference}
+ */
+export function relative_differ_in_oklch(color, other) {
+    const ptr0 = passStringToWasm0(color, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+    const len0 = WASM_VECTOR_LEN;
+    const ptr1 = passStringToWasm0(other, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+    const len1 = WASM_VECTOR_LEN;
+    const ret = wasm.relative_differ_in_oklch(ptr0, len0, ptr1, len1);
+    if (ret[2]) {
+        throw takeFromExternrefTable0(ret[1]);
+    }
+    return OklchDifference.__wrap(ret[0]);
+}
+
 /**
  * @param {string} basic_color
  * @param {string} mixed_color
diff --git a/src/color_functions/color_module_bg.wasm b/src/color_functions/color_module_bg.wasm
index a6228b2..e1511a4 100644
Binary files a/src/color_functions/color_module_bg.wasm and b/src/color_functions/color_module_bg.wasm differ
diff --git a/src/color_functions/color_module_bg.wasm.d.ts b/src/color_functions/color_module_bg.wasm.d.ts
index 7dc36eb..16da150 100644
--- a/src/color_functions/color_module_bg.wasm.d.ts
+++ b/src/color_functions/color_module_bg.wasm.d.ts
@@ -32,11 +32,20 @@ export const tonal_darken_series: (a: number, b: number, c: number, d: number) =
 export const color_categories: () => [number, number, number];
 export const search_color_cards: (a: number, b: number, c: number, d: number) => [number, number, number];
 export const differ_in_rgb: (a: number, b: number, c: number, d: number) => [number, number, number];
+export const relative_differ_in_rgb: (a: number, b: number, c: number, d: number) => [number, number, number];
 export const differ_in_hsl: (a: number, b: number, c: number, d: number) => [number, number, number];
+export const relative_differ_in_hsl: (a: number, b: number, c: number, d: number) => [number, number, number];
 export const differ_in_hct: (a: number, b: number, c: number, d: number) => [number, number, number];
+export const relative_differ_in_hct: (a: number, b: number, c: number, d: number) => [number, number, number];
 export const differ_in_oklch: (a: number, b: number, c: number, d: number) => [number, number, number];
+export const relative_differ_in_oklch: (a: number, b: number, c: number, d: number) => [number, number, number];
 export const tint_scale: (a: number, b: number, c: number, d: number) => [number, number, number];
 export const shade_scale: (a: number, b: number, c: number, d: number) => [number, number, number];
+export const __wbg_differ_free: (a: number, b: number) => void;
+export const __wbg_get_differ_delta: (a: number) => number;
+export const __wbg_set_differ_delta: (a: number, b: number) => void;
+export const __wbg_get_differ_percent: (a: number) => number;
+export const __wbg_set_differ_percent: (a: number, b: number) => void;
 export const __wbg_mixreversing_free: (a: number, b: number) => void;
 export const __wbg_get_mixreversing_r_factor: (a: number) => number;
 export const __wbg_set_mixreversing_r_factor: (a: number, b: number) => void;
@@ -46,18 +55,6 @@ export const __wbg_get_mixreversing_b_factor: (a: number) => number;
 export const __wbg_set_mixreversing_b_factor: (a: number, b: number) => void;
 export const __wbg_get_mixreversing_average: (a: number) => number;
 export const __wbg_set_mixreversing_average: (a: number, b: number) => void;
-export const __wbg_rgbdifference_free: (a: number, b: number) => void;
-export const __wbg_get_rgbdifference_r: (a: number) => number;
-export const __wbg_set_rgbdifference_r: (a: number, b: number) => void;
-export const __wbg_get_rgbdifference_g: (a: number) => number;
-export const __wbg_set_rgbdifference_g: (a: number, b: number) => void;
-export const __wbg_get_rgbdifference_b: (a: number) => number;
-export const __wbg_set_rgbdifference_b: (a: number, b: number) => void;
-export const __wbg_differ_free: (a: number, b: number) => void;
-export const __wbg_get_differ_delta: (a: number) => number;
-export const __wbg_set_differ_delta: (a: number, b: number) => void;
-export const __wbg_get_differ_percent: (a: number) => number;
-export const __wbg_set_differ_percent: (a: number, b: number) => void;
 export const __wbg_oklchdifference_free: (a: number, b: number) => void;
 export const __wbg_get_oklchdifference_hue: (a: number) => number;
 export const __wbg_set_oklchdifference_hue: (a: number, b: number) => void;
@@ -65,13 +62,13 @@ export const __wbg_get_oklchdifference_chroma: (a: number) => number;
 export const __wbg_set_oklchdifference_chroma: (a: number, b: number) => void;
 export const __wbg_get_oklchdifference_lightness: (a: number) => number;
 export const __wbg_set_oklchdifference_lightness: (a: number, b: number) => void;
-export const __wbg_hctdiffference_free: (a: number, b: number) => void;
-export const __wbg_get_hctdiffference_hue: (a: number) => number;
-export const __wbg_set_hctdiffference_hue: (a: number, b: number) => void;
-export const __wbg_get_hctdiffference_chroma: (a: number) => number;
-export const __wbg_set_hctdiffference_chroma: (a: number, b: number) => void;
-export const __wbg_get_hctdiffference_lightness: (a: number) => number;
-export const __wbg_set_hctdiffference_lightness: (a: number, b: number) => void;
+export const __wbg_rgbdifference_free: (a: number, b: number) => void;
+export const __wbg_get_rgbdifference_r: (a: number) => number;
+export const __wbg_set_rgbdifference_r: (a: number, b: number) => void;
+export const __wbg_get_rgbdifference_g: (a: number) => number;
+export const __wbg_set_rgbdifference_g: (a: number, b: number) => void;
+export const __wbg_get_rgbdifference_b: (a: number) => number;
+export const __wbg_set_rgbdifference_b: (a: number, b: number) => void;
 export const __wbg_hsldifference_free: (a: number, b: number) => void;
 export const __wbg_get_hsldifference_hue: (a: number) => number;
 export const __wbg_set_hsldifference_hue: (a: number, b: number) => void;
@@ -79,6 +76,13 @@ export const __wbg_get_hsldifference_saturation: (a: number) => number;
 export const __wbg_set_hsldifference_saturation: (a: number, b: number) => void;
 export const __wbg_get_hsldifference_lightness: (a: number) => number;
 export const __wbg_set_hsldifference_lightness: (a: number, b: number) => void;
+export const __wbg_hctdiffference_free: (a: number, b: number) => void;
+export const __wbg_get_hctdiffference_hue: (a: number) => number;
+export const __wbg_set_hctdiffference_hue: (a: number, b: number) => void;
+export const __wbg_get_hctdiffference_chroma: (a: number) => number;
+export const __wbg_set_hctdiffference_chroma: (a: number, b: number) => void;
+export const __wbg_get_hctdiffference_lightness: (a: number) => number;
+export const __wbg_set_hctdiffference_lightness: (a: number, b: number) => void;
 export const __wbindgen_malloc: (a: number, b: number) => number;
 export const __wbindgen_realloc: (a: number, b: number, c: number, d: number) => number;
 export const __wbindgen_export_2: WebAssembly.Table;