diff --git a/color-module/src/color_differ/cam16jch.rs b/color-module/src/color_differ/cam16jch.rs
index 7dc1d41..eccadf8 100644
--- a/color-module/src/color_differ/cam16jch.rs
+++ b/color-module/src/color_differ/cam16jch.rs
@@ -41,7 +41,7 @@ impl ColorDifference for Cam16Jch<f32> {
             0.0
         } else {
             (other.hue.into_positive_degrees() - self.hue.into_positive_degrees())
-                / (1.0 - self.hue.into_positive_degrees())
+                / (360.0 - self.hue.into_positive_degrees())
         };
         let chroma = if self.chroma == 0.0 {
             0.0
@@ -51,7 +51,7 @@ impl ColorDifference for Cam16Jch<f32> {
         let lightness = if self.lightness == 0.0 {
             0.0
         } else {
-            (other.lightness - self.lightness) / self.lightness
+            (other.lightness - self.lightness) / (100.0 - self.lightness)
         };
 
         HctDiffference {
diff --git a/src/color_functions/color_module_bg.wasm b/src/color_functions/color_module_bg.wasm
index 437b14e..9ccfbe6 100644
Binary files a/src/color_functions/color_module_bg.wasm and b/src/color_functions/color_module_bg.wasm differ