Cool Fern Petal

#10b21a

Notes

Cool Fern Petal (#10B21A) is a true green with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (124°, 84%, 38%) places it in the highly saturated band at a mid lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. For a confident two-color system, pair it with its complementary violet. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX

#10b21a

RGB

rgb(16, 178, 26)

HSL

hsl(124, 84%, 38%)