#66EF53 Hex Color
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#66ef53 is a high-energy neon green that commands immediate attention. Due to its intense saturation, use this hex code as a 10% accent rather than a background. Black text provides excellent contrast, ensuring legibility for fine details. Unlike the muted tones found when learning what colors make gray, this bright green adds a clean, organic pop to modern UI designs.
Questions about #66ef53
What is #66ef53 in RGB, HSL and CMYK?
In RGB, #66ef53 is rgb(102, 239, 83), in HSL hsl(113, 83%, 63%) and in CMYK 57%, 0%, 65%, 6%.
How should I use the neon green #66ef53 in a design layout?
Because #66ef53 is so highly saturated, it works most effectively as a strategic 10% accent rather than a primary background color. Use it to highlight call-to-action buttons or small UI elements where you need to guide the user's eye.
Is #66ef53 readable on white or black?
#66ef53 has a 1.49:1 contrast ratio on white and 14.03:1 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.