#15CF34 Hex Color
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#15cf34 is an electric, unapologetic green, the kind of color that refuses to sit quietly in a palette. It sits closer to neon than to nature, with a saturation that makes muted companions look duller by comparison. On screen it reads as pure energy, which is why it works well as an accent for calls to action, badges, and highlights rather than as a full background. Pair it with deep charcoal or near-black text for strong contrast, or let it anchor a dark interface where it glows without overwhelming. Used sparingly, #15cf34 adds punch and clarity; used everywhere at once, it overwhelms fast.
Questions about #15cf34
What is #15cf34 in RGB, HSL and CMYK?
In RGB, #15cf34 is rgb(21, 207, 52), in HSL hsl(130, 82%, 45%) and in CMYK 90%, 0%, 75%, 19%.
What colors pair well with #15cf34?
Charcoal, near-black, and deep navy all give #15cf34 the contrast it needs to stand out. Soft off-whites like #f7f7f2 keep the palette fresh without competing with it.
Is #15cf34 a good background color for text?
Only with care. White text on #15cf34 has a contrast ratio of about 2.5:1, which falls short of WCAG AA for body text. Dark text fares better, and for small type it is safer to place this green on white rather than the reverse.
How can I tone down #15cf34 in a design?
Use it sparingly. Pair it with generous whitespace, apply it only to key actions or highlights, and soften the palette with warm neutrals so the green reads as an accent rather than the whole message.
Is #15cf34 readable on white or black?
#15cf34 has a 2.09:1 contrast ratio on white and 10.00:1 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.