From 9e59545fb0cca91dfe7050a1a7db70239f818e9d Mon Sep 17 00:00:00 2001
From: Karsten Schmidt <k@postspectacular.com>
Date: Tue, 2 Feb 2021 23:54:47 +0000
Subject: [PATCH] fix(color): rescale labXyz(), use D50 for LCH->RGB

---
 packages/color/src/lab/lab-xyz.ts | 6 +++---
 packages/color/src/rgb/rgb.ts     | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/packages/color/src/lab/lab-xyz.ts b/packages/color/src/lab/lab-xyz.ts
index 5ec4c43c03..5d9ad1f936 100644
--- a/packages/color/src/lab/lab-xyz.ts
+++ b/packages/color/src/lab/lab-xyz.ts
@@ -17,12 +17,12 @@ const transform = (x: number) => {
  * @param white
  */
 export const labXyz = (out: Color | null, src: ReadonlyColor, white = D50) => {
-    const y = (src[0] + 16) / 116;
+    const y = (src[0] + 0.16) / 1.16;
     return setC4(
         out || src,
-        transform(src[1] / 500 + y) * white[0],
+        transform(src[1] / 5.0 + y) * white[0],
         transform(y) * white[1],
-        transform(y - src[2] / 200) * white[2],
+        transform(y - src[2] / 2.0) * white[2],
         ensureAlpha(src[3])
     );
 };
diff --git a/packages/color/src/rgb/rgb.ts b/packages/color/src/rgb/rgb.ts
index 42748c80e5..6663c409e9 100644
--- a/packages/color/src/rgb/rgb.ts
+++ b/packages/color/src/rgb/rgb.ts
@@ -51,7 +51,7 @@ export const rgb = <ColorFactory<RGB>>defColor({
         hsv: hsvRgb,
         lab50: labRgb,
         lab65: labRgbD65,
-        lch: [lchLab, labRgbD65],
+        lch: [lchLab, labRgb],
         oklab: oklabRgb,
         rgb: set4,
         srgb: srgbRgb,