#E4FF3A Hex Color
Neon energy at full saturation
#e4ff3a is a neon yellow with a sharp green undertone that seems to glow on screen. Its full saturation suits sale tags, safety signage, and bold call-to-action buttons. Black text on this hex code reaches about 18.7:1 contrast, well past WCAG AA. Keep it as an accent, since at full coverage it can overwhelm a layout.
Questions about #e4ff3a
What is #e4ff3a in RGB, HSL and CMYK?
In RGB, #e4ff3a is rgb(228, 255, 58), in HSL hsl(68, 100%, 61%) and in CMYK 11%, 0%, 77%, 0%.
What colors pair well with #e4ff3a?
Charcoal and deep navy ground this neon yellow, while warm grays soften its intensity. For a bolder palette, set it against black or use a rich violet as a secondary accent.
Is #e4ff3a readable on white or black?
#e4ff3a has a 1.12:1 contrast ratio on white and 18.66:1 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.