#E2F904 Hex Color
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#e2f904 is a high-saturation neon yellow that demands immediate attention. Due to its intense brightness, it functions best as a small, purposeful accent rather than a dominant background. Pair it with deep charcoal grays or blacks to ground the palette. Since black text provides 17.8:1 contrast against this hex code, it is safe for high-readability UI callouts and buttons.
Questions about #e2f904
What is #e2f904 in RGB, HSL and CMYK?
In RGB, #e2f904 is rgb(226, 249, 4), in HSL hsl(66, 97%, 50%) and in CMYK 9%, 0%, 98%, 2%.
What colors pair well with #e2f904 for UI design?
Because #e2f904 is so bright, it requires strong, grounding neutrals to balance its intensity. Using deep charcoal or matte black for typography creates the high-contrast accessibility needed for modern buttons, while dark gray backgrounds help temper its neon energy.
Is #e2f904 safe for text on a white background?
No, #e2f904 should never be used as text against a white or light background because it lacks sufficient contrast to be readable. It is essentially invisible to the human eye, so use it primarily as an accent, icon, or button background instead.
Is #e2f904 readable on white or black?
#e2f904 has a 1.18:1 contrast ratio on white and 17.78:1 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.