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chroma-js
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JavaScript library for color conversions
github.com/gka/chroma.js
gka/chroma.js
chroma-js
/
src
/
conversions
/
lab2lch.coffee
8 lines
(5 loc)
•
153 B
text/coffeescript
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lab2lch = () -> [l, a, b] = unpack
arguments
c =
Math
.
sqrt
(a * a + b * b) h = (
Math
.
atan2
(b, a) /
Math
.
PI
*
180
+
360
) %
360
[l, c, h]