About emerald-700
#007857 is emerald-700, a tailwind v4. This page shows its rgb(0, 120, 87) / hsl(163.49, 99.83%, 23.55%) / oklch(0.5077 0.1056 165.79) 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.