#66C9CC Color

#66C9CC is rgb(102, 201, 204) in RGB and hsl(182, 50%, 60%) in HSL. The closest CSS named color is MediumTurquoise. Black text is most readable on this background.

#66C9CC

HEX#66C9CC

RGBrgb(102, 201, 204)

HSLhsl(182, 50%, 60%)

HSVhsv(182, 50%, 80%)

OKLCHoklch(77.8% 0.093 198)

CMYKcmyk(50%, 1%, 0%, 20%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66C9CC background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text1.95:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text10.79:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66C9CC based on color wheel relationships. Click any swatch for its full breakdown.

Base#66C9CC Complementary#CC6966 Analogous#66CC9C Analogous#6696CC Triadic#CC66C9 Triadic#C9CC66

Tints & Shades

Lighter tints and darker shades of #66C9CC, useful for hover states, backgrounds, and text variants.

Tints

#79CFD2 #90D8DA #A3DEE0 #BAE7E8 #CDEDEE #E4F5F6

Shades

#47BEC2 #38A5A8 #2E878A #24696B #194B4D #0F2D2E

Use #66C9CC in Our Tools

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