#FFEF30 Hex Color
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#ffef30 is a luminous, highly saturated yellow with a warm, energetic character and slightly mellow finish. Its neon brightness suits sale graphics, budget branding, construction signage, and opportunity-focused campaigns. Use it as a small accent with charcoal or deep navy instead of a full background. The hex code #ffef30 supports clear black body text with about 17.6:1 contrast.
Questions about #ffef30
What is #ffef30 in RGB, HSL and CMYK?
In RGB, #ffef30 is rgb(255, 239, 48), in HSL hsl(55, 100%, 59%) and in CMYK 0%, 6%, 81%, 0%.
What colors pair well with #ffef30?
Pair #ffef30 with black, deep navy, or charcoal for strong contrast, and avoid white text because the bright yellow is too light to support comfortable reading in body copy, labels, and interface controls.
Is #ffef30 a warm or cool yellow?
#ffef30 reads as a warm yellow because its strong red and green balance is paired with a small blue component, creating a sunny, energetic impression rather than a lemon-cool one.
Where does #ffef30 work best in design?
#ffef30 works best as a small, high-impact accent in sale graphics, budget branding, construction signage, calls to action, and opportunity-focused campaigns, especially when balanced by charcoal, black, or deep navy. Its brightness can overwhelm large backgrounds, so use dark neutrals around it to keep layouts clear.
Is #ffef30 readable on white or black?
#ffef30 has a 1.19:1 contrast ratio on white and 17.64:1 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.