#C9D399 Hex Color

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Hex color #c9d399 graphic
This dusty, unsaturated yellow leans heavily into olive green, offering a mellow and airy aesthetic. Because of its light, muted nature, #c9d399 functions best as a supporting background rather than a dominant primary color. It provides excellent accessibility for black text, making it a functional choice for clean, modern interfaces. Pair it with deep charcoals or dark plums to keep the design from feeling washed out.

Questions about #c9d399

What is #c9d399 in RGB, HSL and CMYK?
In RGB, #c9d399 is rgb(201, 211, 153), in HSL hsl(70, 40%, 71%) and in CMYK 5%, 0%, 27%, 17%.
What colors pair best with #c9d399 in a UI design?
Because #c9d399 is a light and dusty olive, it relies on high-contrast partners to maintain legibility and visual interest. It works exceptionally well alongside deep charcoal or dark plum tones, which prevent the layout from feeling washed out or overly sterile.
Is #c9d399 readable on white or black?
#c9d399 has a 1.58:1 contrast ratio on white and 13.26:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it is too faint for text and on black it works for body text. Try other pairs in the contrast checker.