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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
/
darken.coffee
14 lines
(10 loc)
•
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text/coffeescript
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#
@requires
color lab lab-constants
Color
:
:darken
= (amount=
1
) -> me = @ lab = me.lab() lab[
0
] -=
LAB_CONSTANTS
.
Kn
* amount chroma.lab(lab).alpha(me.alpha())
Color
:
:brighten
= (amount=
1
) ->
@darken
-amount
Color
:
:darker
=
Color
:
:darken
Color
:
:brighter
=
Color
:
:brighten