lch does not match with R's hcl

Question

lch does not match with R's hcl

Opened this issue 5 years ago · 2 comments

For example:
spectra.lch(65, 100, 15).hexcode = '#FF0077'

In R:
hcl(15, 100, 65) = '#F8766D'

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Update:

The problem is that the lch refers to colormath.color_objects.LCHabColor. However in R, the lch function is actually the polar coordinates of the LCHUV color space, which is defined in colormath as colormath.color_objects.LCHuvColor.

Answer 1 · 2019-02-11T20:12:00.000Z

Maybe it would be ideal for spectra to break its lch definition into LCHabColor and CLHuvColor?

Answer 2 · 2019-02-11T23:56:45.000Z

Agree. I wrote a function by myself and could push it to master