About turquoise
#40E0D0 is turquoise, a css named color. This page shows its rgb(64, 224, 208) / hsl(174, 72.07%, 56.47%) / oklch(0.8223 0.1307 185.09) 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.