About zinc-100
#F4F4F5 is zinc-100, a tailwind v4. This page shows its rgb(244, 244, 245) / hsl(240, 4.76%, 95.88%) / oklch(0.9674 0.0013 286.37) values, WCAG contrast against black and white, an OKLCH tint-and-shade ramp, and complementary, analogous, and triadic harmonies — all computed in perceptually-uniform OKLCH.