About amber-100
#FEF3C6 is amber-100, a tailwind v4. This page shows its rgb(254, 243, 198) / hsl(48.21, 96.55%, 88.63%) / oklch(0.9617 0.0592 95.89) 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.