OKLCH Color Space
OKLCH is a perceptually uniform color space where equal numeric differences correspond to equal visual differences. It uses three intuitive axes: Lightness (0–1), Chroma (saturation), and Hue (angle in degrees).
/* CSS example */
color: oklch(0.7 0.15 250);
/* L C H */
/* L: 0=black, 1=white */
/* C: 0=gray, higher=vivid */
/* H: 0=pink, 90=yellow... */