#66A39D Color

#66A39D is rgb(102, 163, 157) in RGB and hsl(174, 25%, 52%) in HSL. The closest CSS named color is CadetBlue. Black text is most readable on this background.

#66A39D

HEX#66A39D

RGBrgb(102, 163, 157)

HSLhsl(174, 25%, 52%)

HSVhsv(174, 37%, 64%)

OKLCHoklch(67.2% 0.064 187.8)

CMYKcmyk(37%, 0%, 4%, 36%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66A39D background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.88:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text7.29:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66A39D based on color wheel relationships. Click any swatch for its full breakdown.

Base#66A39D Complementary#A3666C Analogous#66A37E Analogous#668BA3 Triadic#9D66A3 Triadic#A39D66

Tints & Shades

Lighter tints and darker shades of #66A39D, useful for hover states, backgrounds, and text variants.

Tints

#7CB1AB #8FBCB8 #A6C9C6 #B9D5D2 #CFE2E0 #E2EEED

Shades

#568F8A #497974 #3B635F #30504D #223937 #152322

Use #66A39D in Our Tools

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