#FFF478 Hex Color
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#fff478 is a bright, high-chroma yellow with intense luminosity. It functions best as an accent color for alerts, buttons, or calls to action because its high saturation can overwhelm a layout if used as a primary background. Pair it with charcoal or deep navy for high-contrast, legible text. The hex code for this energetic, warm shade is #fff478.
Questions about #fff478
What is #fff478 in RGB, HSL and CMYK?
In RGB, #fff478 is rgb(255, 244, 120), in HSL hsl(55, 100%, 74%) and in CMYK 0%, 4%, 53%, 0%.
How can I use #fff478 effectively in UI design?
Use #fff478 exclusively as an accent color for functional elements like call-to-action buttons, notifications, or status badges. Its high luminosity naturally draws the eye, making it risky for text or large backgrounds where readability against standard dark or light themes becomes a significant challenge.
Is #fff478 readable on white or black?
#fff478 has a 1.13:1 contrast ratio on white and 18.46:1 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.