#EFB21E Hex Color
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#efb21e is a saturated, high-energy yellow that demands attention. Because it sits at the intersection of neon brightness and warm gold, it works best as a 10% accent rather than a full background. Pair it with deep charcoal or navy to ground the intensity. The hex code for this glowing shade is #efb21e, making it a functional, high-contrast choice for call-to-action buttons.
Questions about #efb21e
What is #efb21e in RGB, HSL and CMYK?
In RGB, #efb21e is rgb(239, 178, 30), in HSL hsl(42, 87%, 53%) and in CMYK 0%, 26%, 87%, 6%.
How do I best use #efb21e in a design?
Is #efb21e readable on white or black?
#efb21e has a 1.89:1 contrast ratio on white and 11.05:1 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.