Rich Mustard Glass

#525c0f

Notes

Rich Mustard Glass (#525C0F) is a deep yellow 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 (68°, 72%, 21%) places it in the balanced band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. For a confident two-color system, pair it with its complementary blue. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX

#525c0f

RGB

rgb(82, 92, 15)

HSL

hsl(68, 72%, 21%)