Rich Mustard Thread

#21210d

Notes

Rich Mustard Thread (#21210D) is a deep yellow with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (60°, 43%, 9%) 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

#21210d

RGB

rgb(33, 33, 13)

HSL

hsl(60, 43%, 9%)