#66B6B1 Hex Color

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Hex color #66b6b1 graphic
A muted teal the color of sea glass, softened by gray undertones. Its hex code, #66b6b1, sits light and low in saturation, so it reads calm rather than electric. That makes it a strong background surface for wellness and healthcare design, where black text holds a clear 8.9:1 contrast against it. Warm terracotta accents keep it from feeling flat.

Questions about #66b6b1

What is #66b6b1 in RGB, HSL and CMYK?
In RGB, #66b6b1 is rgb(102, 182, 177), in HSL hsl(176, 35%, 56%) and in CMYK 44%, 0%, 3%, 29%.
What colors pair well with #66b6b1?
Warm accents like terracotta and coral give #66b6b1 a pleasing contrast, while charcoal grounds it in interface work. Navy and off-white also flatter it when you want a cooler, quieter palette.
Is #66b6b1 readable on white or black?
#66b6b1 has a 2.36:1 contrast ratio on white and 8.89:1 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.