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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
/
converter
/
misc
/
lab-constants.coffee
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LAB_CONSTANTS
=
# Corresponds roughly to RGB brighter/darker
Kn:
18
# D65 standard referent
Xn:
0.950470
Yn:
1
Zn:
1.088830
t0:
0.137931034
# 4 / 29
t1:
0.206896552
# 6 / 29
t2:
0.12841855
# 3 * t1 * t1
t3:
0.008856452
# t1 * t1 * t1