#EFEF3E Hex Color
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#efef3e is a high-energy, luminous yellow that demands immediate attention. Due to its extreme saturation, it functions best as a tactical 10 percent accent rather than a background. Pair this shade with charcoal grays or deep navies to ground its intensity and improve readability. Since black text provides excellent 17.1:1 contrast against this hex code, it remains a strong choice for high-visibility buttons and warning iconography.
Questions about #efef3e
What is #efef3e in RGB, HSL and CMYK?
In RGB, #efef3e is rgb(239, 239, 62), in HSL hsl(60, 85%, 59%) and in CMYK 0%, 0%, 74%, 6%.
How should I use #efef3e in a design interface?
#efef3e functions best as a tactical 10 percent accent rather than a background color due to its extreme intensity. It is ideal for high-visibility buttons, status indicators, or warning iconography where you need to guide the user's eye immediately.
Is #efef3e readable on white or black?
#efef3e has a 1.22:1 contrast ratio on white and 17.08:1 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.