#CDDB00 Hex Color
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A sharp, glowing yellow with a green edge, #cddb00 is loud from the first pixel. Its high lightness and full saturation work best as a small accent, since a full background this bright tires the eyes fast. Pair it with deep navy or charcoal for signage, sale banners, and construction graphics. Black text reads clearly on this hex code, well past WCAG AA.
Questions about #cddb00
What is #cddb00 in RGB, HSL and CMYK?
In RGB, #cddb00 is rgb(205, 219, 0), in HSL hsl(64, 100%, 43%) and in CMYK 6%, 0%, 100%, 14%.
What colors pair well with #cddb00?
Deep navy and charcoal both ground #cddb00 without dulling its glow, which makes them solid picks for signage and UI accents. Skip soft pastels, which look washed out next to this much saturation.
Is #cddb00 readable on white or black?
#cddb00 has a 1.52:1 contrast ratio on white and 13.72:1 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.