About yellow-800
#874C00 is yellow-800, a tailwind v4. This page shows its rgb(135, 76, 0) / hsl(33.77, 99.91%, 26.48%) / oklch(0.4765 0.1093 62.33) 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.