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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
/
ops
/
saturate.coffee
11 lines
(9 loc)
•
252 B
text/coffeescript
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# requrie lab-constants lch
Color
::saturate = (amount=
1
) -> me = @ lch = me.
lch
() lch[
1
] += amount * LAB_CONSTANTS.Kn lch[
1
] =
0
if lch[
1
] <
0
chroma.
lch
(lch).
alpha
(me.
alpha
()) Color::desaturate = (amount=
1
) -> @saturate -amount