Uniform LAB space

[Elle (Elle Stone)]

RawTherapee has such code:

Color Choosing Paradox, also Warmer vs Cooler

@Elle For correction Munsell<==>Lab, I don’t use UPlab Profile (I think it’s buggy, but thats not the problem…). I use 195 LUT (I deposited a copyright) for each Munsell reference : Color ,saturation and Luminance (in Munsell notation). I give to the LUT, Luminance Lab, Chroma Lab, and Hue Lab, then I obtain a correction. This system is not perfect (what is perfect ?), but differences are very, very tiny (1 or 2%). The system is very fast, and don’t use much memory (each LUT is very small about…