#4B9900 Hex Color
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Bold and highly saturated, #4b9900 is a medium-dark lime green with sunny yellow undertones. Its strong intensity brings energy and growth to calls to action, sports graphics, and nature-focused branding. Use it as a small accent against charcoal or navy rather than a full background; black text remains accessible at about 5.9:1 contrast. The hex code is #4b9900.
Questions about #4b9900
What is #4b9900 in RGB, HSL and CMYK?
In RGB, #4b9900 is rgb(75, 153, 0), in HSL hsl(91, 100%, 30%) and in CMYK 51%, 0%, 100%, 40%.
Which colors pair well with #4b9900?
What undertone does #4b9900 have, and does it read warm or cool?
#4b9900 reads as a warm green because its strong yellow undertone shifts it toward lime rather than blue-green; that sunny cast gives the shade an energetic, fresh character suited to growth, action, and outdoor themes.
Is #4b9900 readable on white or black?
#4b9900 has a 3.58:1 contrast ratio on white and 5.85:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it works only for large text (24px, or 18.5px bold) and on black it works for body text. Try other pairs in the contrast checker.