About stone-400
#A6A09B is stone-400, a tailwind v4. This page shows its rgb(166, 160, 155) / hsl(27.27, 5.82%, 62.94%) / oklch(0.7093 0.01 62.53) 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.