#81DD4F Hex Color

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Hex color #81dd4f graphic
Bright and highly saturated, #81dd4f has a fresh green body with a lightly yellow cast. Its sparkling, neon character suggests growth and energy, making it effective for sports branding, gaming interfaces, and energy drink packaging. Use it as an accent against charcoal or navy. Black text reads clearly at about 12.4:1 contrast. The hex code is #81dd4f.

Questions about #81dd4f

What is #81dd4f in RGB, HSL and CMYK?
In RGB, #81dd4f is rgb(129, 221, 79), in HSL hsl(99, 68%, 59%) and in CMYK 42%, 0%, 64%, 13%.
What colors pair well with #81dd4f?
#81dd4f pairs well with charcoal, navy, and other deep cool neutrals that ground its bright yellow-green energy; white creates a clean, high-key look, while muted greens can soften it for natural palettes.
Does #81dd4f read as a warm or cool green?
#81dd4f reads as a warm green because its strong green base shifts toward yellow, giving it a lively, sunlit appearance rather than the blue cast associated with cooler greens. Its high saturation makes that warmth especially vivid.
Is #81dd4f readable on white or black?
#81dd4f has a 1.69:1 contrast ratio on white and 12.38:1 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.