About mist-50
#F9FBFB is mist-50, a tailwind v4. This page shows its rgb(249, 251, 251) / hsl(180, 20%, 98.04%) / oklch(0.9866 0.0021 197.12) 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.