#66BBC7 Color

#66BBC7 is rgb(102, 187, 199) in RGB and hsl(187, 46%, 59%) in HSL. The closest CSS named color is MediumAquamarine. Black text is most readable on this background.

#66BBC7

HEX#66BBC7

RGBrgb(102, 187, 199)

HSLhsl(187, 46%, 59%)

HSVhsv(187, 49%, 78%)

OKLCHoklch(74.3% 0.084 207.4)

CMYKcmyk(49%, 6%, 0%, 22%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66BBC7 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.21:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text9.5:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66BBC7 based on color wheel relationships. Click any swatch for its full breakdown.

Base#66BBC7 Complementary#C77266 Analogous#66C7A2 Analogous#668BC7 Triadic#C766BB Triadic#BBC766

Tints & Shades

Lighter tints and darker shades of #66BBC7, useful for hover states, backgrounds, and text variants.

Tints

#7DC5CF #8FCDD6 #A6D7DE #B8E0E5 #CFEAED #E1F2F4

Shades

#49AEBC #3B94A0 #307982 #276168 #1C454A #11292D

Use #66BBC7 in Our Tools

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