Const
Black point on OKLab lightness: L' = max(0, (L − b) / (1 − b)). A positive amount crushes shadows to black, a negative one lifts black to a faded grey; white stays put. Hue and chroma are untouched.
Black point on OKLab lightness: L' = max(0, (L − b) / (1 − b)). A positive amount crushes shadows to black, a negative one lifts black to a faded grey; white stays put. Hue and chroma are untouched.