#66D6B2 Hex Color
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Not a saturated teal, #66d6b2 is a light, mint-leaning shade with a soft green undertone. Its high lightness keeps layouts feeling fresh and calm, which suits wellness branding, healthcare UI, and spring themes. It works best as a dominant background with dark type, or softened against muted neutrals like what colors make gray. Black text passes AA easily at about 11.8:1 contrast.
Questions about #66d6b2
What is #66d6b2 in RGB, HSL and CMYK?
In RGB, #66d6b2 is rgb(102, 214, 178), in HSL hsl(161, 58%, 62%) and in CMYK 52%, 0%, 17%, 16%.
What text color should you use on #66d6b2?
Black text is the safest choice, reaching about 11.8:1 contrast, well above the 4.5:1 needed for AA body text. White text falls far short and should be avoided for readable copy.
What colors pair well with #66d6b2?
It flatters deep, grounding tones like charcoal or navy, which balance its lightness. For contrast, a muted terracotta accent adds warmth without clashing with its cool green undertone.
Is #66d6b2 readable on white or black?
#66d6b2 has a 1.77:1 contrast ratio on white and 11.82:1 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.