#CFEF4F Hex Color
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#cfef4f is a high-energy, neon yellow-green that commands attention. Because of its extreme brightness, this shade works best as a 10% accent color for buttons or call-to-action elements rather than a full background. It provides excellent contrast against black text, ensuring readability. Pair it with deep charcoal or navy blue to ground the visual intensity and prevent it from appearing too washed out on screen.
Questions about #cfef4f
What is #cfef4f in RGB, HSL and CMYK?
In RGB, #cfef4f is rgb(207, 239, 79), in HSL hsl(72, 83%, 62%) and in CMYK 13%, 0%, 67%, 6%.
How can I use #cfef4f without overwhelming my design?
Is #cfef4f readable on white or black?
#cfef4f has a 1.30:1 contrast ratio on white and 16.11:1 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.