About yellow-50
#FEFCE8 is yellow-50, a tailwind v4. This page shows its rgb(254, 252, 232) / hsl(54.55, 91.67%, 95.29%) / oklch(0.9873 0.0262 102.21) 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.