#51BD55 Hex Color
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Bright, saturated, and unapologetically loud, this green reads energetic rather than calm. Use #51bd55 as a small accent or call-to-action color; as a full background it can swamp fine detail. It flatters deep navy and warm charcoal better than plain white. Black text passes WCAG AA on it at roughly 8.8:1 contrast. The hex code #51bd55 suits eco, finance, and pharmacy work.
Questions about #51bd55
What is #51bd55 in RGB, HSL and CMYK?
In RGB, #51bd55 is rgb(81, 189, 85), in HSL hsl(122, 45%, 53%) and in CMYK 57%, 0%, 55%, 26%.
What colors pair well with #51bd55?
Deep navy and warm charcoal ground its brightness, while a muted mauve or terracotta adds contrast without clashing. Skip lighter greens nearby, where it can look washed out.
Is #51bd55 readable on white or black?
#51bd55 has a 2.39:1 contrast ratio on white and 8.76:1 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.