1 files changed, 0 insertions, 36 deletions
diff --git a/src/lib/color.ts b/src/lib/color.ts
deleted file mode 100644
index 59b320d..0000000
--- a/src/lib/color.ts
+++ /dev/null
@@ -1,36 +0,0 @@
-interface Color {
-  red: number,
-  green: number,
-  blue: number,
-}
-
-export function parse(str: string): Color {
-  return {
-    red: parseInt(str.slice(1,3), 16),
-    green: parseInt(str.slice(3,5), 16),
-    blue: parseInt(str.slice(5,7), 16),
-  }
-}
-
-// https://www.w3.org/TR/2008/REC-WCAG20-20081211/#contrastratio
-export function contrastRatio(c1: Color, c2: Color): number {
-  const r1 = relativeLuminance(c1)
-  const r2 = relativeLuminance(c2)
-
-  return r1 > r2
-    ? (r1 + 0.05) / (r2 + 0.05)
-    : (r2 + 0.05) / (r1 + 0.05)
-}
-
-function relativeLuminance(c: Color): number {
-  return (
-    0.2126 * fromSRGB(c.red / 255) 
-    + 0.7152 * fromSRGB(c.green / 255) 
-    + 0.0722 * fromSRGB(c.blue / 255))
-}
-
-function fromSRGB(sRGB: number): number {
-  return sRGB <= 0.03928
-    ? sRGB / 12.92
-    : Math.pow(((sRGB + 0.055) / 1.055), 2.4)
-}