#C5FF00 Hex Color
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This electric neon lime commands immediate attention with its high saturation and intense yellow undertones. Because it is so visually aggressive, designers should limit this shade to a 10% accent role rather than a full background. Black text remains perfectly legible against this surface, making it effective for high-contrast UI elements. The hex code for this color is #c5ff00.
Questions about #c5ff00
What is #c5ff00 in RGB, HSL and CMYK?
In RGB, #c5ff00 is rgb(197, 255, 0), in HSL hsl(74, 100%, 50%) and in CMYK 23%, 0%, 100%, 0%.
How can I use #c5ff00 effectively in web design?
Because #c5ff00 is incredibly bright, it is most effective when limited to a 10% accent role rather than as a full background color. It creates excellent contrast against charcoal or black text, making it perfect for call-to-action buttons.
Is #c5ff00 considered a warm or cool color?
This shade is firmly warm due to its intense yellow undertones, which push it away from typical grassy greens. Its high saturation makes it feel like an electric, synthetic pigment rather than a natural tone, making it ideal for modern, digital-first branding.
Is #c5ff00 readable on white or black?
#c5ff00 has a 1.18:1 contrast ratio on white and 17.67:1 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.