#E9F71B Hex Color

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Hex color #e9f71b graphic
Highly saturated and light, #e9f71b is a warm neon yellow with a sharp green undertone. Its energetic look suits sale graphics, budget branding, construction signage, and playful calls to action. Use it as a small accent against charcoal or deep navy rather than a full background. Black text reads clearly at about 17.8:1 contrast. The hex code is #e9f71b.

Questions about #e9f71b

What is #e9f71b in RGB, HSL and CMYK?
In RGB, #e9f71b is rgb(233, 247, 27), in HSL hsl(64, 93%, 54%) and in CMYK 6%, 0%, 89%, 3%.
What colors pair well with #e9f71b?
Pair #e9f71b with deep navy or charcoal for controlled contrast, or combine it with muted neutrals to soften its neon intensity. These combinations suit accent panels, buttons, sale graphics, and construction signage without letting the bright yellow dominate.
Does #e9f71b read as a warm or cool color?
#e9f71b reads as a warm neon yellow because its saturated yellow base leans sharply toward green, creating an energetic, high-visibility look rather than the softer feel of lemon yellow or the cooler character of lime.
Is #e9f71b readable on white or black?
#e9f71b 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.