#3AFF00 Hex Color
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Reach for this neon green when a design needs an electric accent: badges, buttons, or highlights that have to be seen. The hex code #3aff00 is fully saturated and glowing, so it suits eco, gardening, and pharmacy branding where freshness and safety matter. Black text on it reaches about 15.5:1 contrast, keeping small type readable. Go easy, though, since full backgrounds feel harsh. See what colors make green for pairing ideas.
Questions about #3aff00
What is #3aff00 in RGB, HSL and CMYK?
In RGB, #3aff00 is rgb(58, 255, 0), in HSL hsl(106, 100%, 50%) and in CMYK 77%, 0%, 100%, 0%.
What colors pair well with #3aff00?
Pair #3aff00 with charcoal, deep plum, or near-black greens to calm its intensity. Pure white feels washed out next to it, so lean on dark partners for balance.
Does #3aff00 read warm or cool?
Despite being green, #3aff00 reads warm because of its heavy yellow undertone and high brightness. It feels closer to citrus than to forest or teal greens.
Is #3aff00 readable on white or black?
#3aff00 has a 1.35:1 contrast ratio on white and 15.48:1 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.