#51F17E Hex Color
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Closer to a glowing highlighter than a garden leaf, this bright neon green carries a minty, almost opalescent shine. The hex code #51f17e works best as an accent or on dark backgrounds, where its sparkle holds up; next to white it can wash out. Black text on top reads clearly at about 14.2:1 contrast, well past AA. A natural fit for eco, finance, and pharmacy branding.
Questions about #51f17e
What is #51f17e in RGB, HSL and CMYK?
In RGB, #51f17e is rgb(81, 241, 126), in HSL hsl(137, 85%, 63%) and in CMYK 66%, 0%, 48%, 5%.
What colors pair well with #51f17e?
Pair #51f17e with deep charcoal or navy to tame its glow and add contrast. A muted plum also flatters it, softening the neon edge without dulling the green.
Is #51f17e readable on white or black?
#51f17e has a 1.47:1 contrast ratio on white and 14.23:1 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.