HCG support - Githubissues

jfsiii / chromath

JavaScript color conversion and manipulation functions

https://jfsiii.github.io/chromath/

190 stars 13 forks source link

Open ghost opened 8 years ago

ghost commented 8 years ago

Hello. Can you implement HCG? I can help by tips.

Chroma (C value) is second channel of HCG (i.e. chroma, C_hcg), without any operation.
m (min of RGB) value can be calculated by G_hcg * (1 - C).
G_hcg can be calculated by m / (1 - C) if you convert from RGB