#18A639 Hex Color
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Close to the green of fresh-cut grass in full sun, #18a639 is a saturated, confident green with plenty of punch. Its hex code puts it firmly in bold branding territory, so treat it as an accent or call-to-action rather than a full background, where its intensity can wear readers out. Pair it with charcoal or warm cream to keep things grounded. Black text on this green hits about 6.6:1 contrast, clearing WCAG AA for body text.
Questions about #18a639
What is #18a639 in RGB, HSL and CMYK?
In RGB, #18a639 is rgb(24, 166, 57), in HSL hsl(134, 75%, 37%) and in CMYK 86%, 0%, 66%, 35%.
What text color works on #18a639?
Black text. #18a639 reaches about 6.6:1 contrast with black, which passes WCAG AA for body copy. White text falls to roughly 3.2:1, so reserve it for large headings only.
What colors pair well with #18a639?
Charcoal, warm cream, and plum all flatter #18a639 without competing with its intensity. A soft coral works too if you want a lively, garden-inspired palette that still feels balanced.
Is #18a639 readable on white or black?
#18a639 has a 3.20:1 contrast ratio on white and 6.55:1 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.