This is a set of miscelaneous tools and utilities:
sRGB.cls: a
class to represent sRGB color values. You will find conversion methods
to linear RGB, XYZ and OKLab, and a ΔEOK distance function,
which returns the distance between two sRGB points, as measured in the
OKLab color space (plain,
highlighted).
w3c_colors.cls:
a set of color utilities created by Rony Flatscher, centered on the W3C
"CSS Color Module Level 3" recommendation (plain, highlighted)..