About neutral-600
#525252 is neutral-600, a tailwind v4. This page shows its rgb(82, 82, 82) / hsl(300, 0%, 32.16%) / oklch(0.4386 0 0) 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.