#66C5C7 Color

#66C5C7 is rgb(102, 197, 199) in RGB and hsl(181, 46%, 59%) in HSL. The closest CSS named color is MediumAquamarine. Black text is most readable on this background.

#66C5C7

HEX#66C5C7

RGBrgb(102, 197, 199)

HSLhsl(181, 46%, 59%)

HSVhsv(181, 49%, 78%)

OKLCHoklch(76.6% 0.09 197.3)

CMYKcmyk(49%, 1%, 0%, 22%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66C5C7 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.02:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text10.38:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66C5C7 based on color wheel relationships. Click any swatch for its full breakdown.

Base#66C5C7 Complementary#C76866 Analogous#66C798 Analogous#6695C7 Triadic#C766C5 Triadic#C5C766

Tints & Shades

Lighter tints and darker shades of #66C5C7, useful for hover states, backgrounds, and text variants.

Tints

#7DCDCF #8FD5D6 #A6DDDE #B8E4E5 #CFEDED #E1F4F4

Shades

#49BABC #3B9EA0 #308182 #276768 #1C4A4A #112C2D

Use #66C5C7 in Our Tools

Hex to RGB Hex to HSL Hex to CMYK Hex to Pantone RGBA to Hex