#39EF4B Hex Color

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Hex color #39ef4b graphic
This intensely bright neon green feels electric and youthful. Because it is highly saturated, #39ef4b functions best as a small accent color rather than a large background to avoid overwhelming the eye. It pairs surprisingly well with deep charcoal grays for a modern, tech-focused aesthetic. The hex code for this high-energy shade is #39ef4b, and it offers excellent contrast when paired with black text.

Questions about #39ef4b

What is #39ef4b in RGB, HSL and CMYK?
In RGB, #39ef4b is rgb(57, 239, 75), in HSL hsl(126, 85%, 58%) and in CMYK 76%, 0%, 69%, 6%.
What is the best way to use #39ef4b in a design?
Because #39ef4b is extremely vibrant and high-saturation, it functions best as a focused accent color rather than a primary background. It creates a modern, tech-inspired aesthetic when paired with dark, neutral shades like charcoal or deep slate, allowing the green to pop without overwhelming the viewer.
Is #39ef4b readable on white or black?
#39ef4b has a 1.54:1 contrast ratio on white and 13.62:1 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.