#66A39B Color

#66A39B is rgb(102, 163, 155) in RGB and hsl(172, 25%, 52%) in HSL. The closest CSS named color is CadetBlue. Black text is most readable on this background.

#66A39B

HEX#66A39B

RGBrgb(102, 163, 155)

HSLhsl(172, 25%, 52%)

HSVhsv(172, 37%, 64%)

OKLCHoklch(67.2% 0.065 185.3)

CMYKcmyk(37%, 0%, 5%, 36%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66A39B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.89:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text7.28:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66A39B based on color wheel relationships. Click any swatch for its full breakdown.

Base#66A39B Complementary#A3666E Analogous#66A37C Analogous#668DA3 Triadic#9B66A3 Triadic#A39B66

Tints & Shades

Lighter tints and darker shades of #66A39B, useful for hover states, backgrounds, and text variants.

Tints

#7CB1AA #8FBCB6 #A6C9C5 #B9D5D1 #CFE2E0 #E2EEEC

Shades

#568F88 #497973 #3B635E #30504B #223936 #152321

Use #66A39B in Our Tools

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