#66D1CC Color

#66D1CC is rgb(102, 209, 204) in RGB and hsl(177, 54%, 61%) in HSL. The closest CSS named color is MediumTurquoise. Black text is most readable on this background.

#66D1CC

HEX#66D1CC

RGBrgb(102, 209, 204)

HSLhsl(177, 54%, 61%)

HSVhsv(177, 51%, 82%)

OKLCHoklch(79.6% 0.099 191.3)

CMYKcmyk(51%, 0%, 2%, 18%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66D1CC background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text1.82:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text11.56:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66D1CC based on color wheel relationships. Click any swatch for its full breakdown.

Base#66D1CC Complementary#D1666B Analogous#66D196 Analogous#66A1D1 Triadic#CC66D1 Triadic#D1CC66

Tints & Shades

Lighter tints and darker shades of #66D1CC, useful for hover states, backgrounds, and text variants.

Tints

#79D7D2 #91DEDA #A5E4E1 #B8EAE7 #CCF0EE #E4F7F6

Shades

#46C8C1 #35B1AB #2B918C #216E6A #174F4C #0E2F2D

Use #66D1CC in Our Tools

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