From 046f4982951703397995fb93a80a82e526f06611 Mon Sep 17 00:00:00 2001
From: ginnyTheCat <ginnythecat@lelux.net>
Date: Sun, 11 Oct 2020 00:37:00 +0200
Subject: [PATCH] Added formula sources
---
src/utils/colour.ts | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/utils/colour.ts b/src/utils/colour.ts
index 5fb422c61c..10c18dbfe7 100644
--- a/src/utils/colour.ts
+++ b/src/utils/colour.ts
@@ -45,6 +45,9 @@ function generateAB(hue: number, chroma: number): [number, number] {
}
function labToRGB(l: number, a: number, b: number): [number, number, number] {
+ // https://en.wikipedia.org/wiki/CIELAB_color_space#Reverse_transformation
+ // https://en.wikipedia.org/wiki/SRGB#The_forward_transformation_(CIE_XYZ_to_sRGB)
+
// Convert CIELAB to CIEXYZ (D65)
let y = (l + 16) / 116;
const x = adjustXYZ(y + a / 500) * 0.9505;