#99B300 Hex Color
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This intense lime-yellow is far too aggressive for large backgrounds but excels as a punchy accent. Use the hex code #99b300 for high-impact calls to action or UI elements where you need immediate attention. It pairs unexpectedly well with deep charcoal grays, which ground its neon energy. Because black text offers excellent 8.8:1 contrast against this shade, it is a safe choice for small, readable labels.
Questions about #99b300
What is #99b300 in RGB, HSL and CMYK?
In RGB, #99b300 is rgb(153, 179, 0), in HSL hsl(69, 100%, 35%) and in CMYK 15%, 0%, 100%, 30%.
What are the best colors to pair with #99b300?
#99b300 thrives against deep, neutral backgrounds that stabilize its aggressive, high-energy tone. Using charcoal or deep slate grays grounds this lime-yellow, making it highly effective for UI accents or buttons without creating overwhelming visual fatigue for the user.
Can #99b300 be used for text?
While #99b300 is excellent for buttons, it is generally too bright and neon for large blocks of body text. However, black text on a #99b300 background provides an 8.8:1 contrast ratio, which is perfect for small, accessible labels or icon highlights.
Is #99b300 readable on white or black?
#99b300 has a 2.38:1 contrast ratio on white and 8.80:1 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.