#66B278 Color

#66B278 is rgb(102, 178, 120) in RGB and hsl(134, 33%, 55%) in HSL. The closest CSS named color is MediumSeaGreen. Black text is most readable on this background.

#66B278

HEX#66B278

RGBrgb(102, 178, 120)

HSLhsl(134, 33%, 55%)

HSVhsv(134, 43%, 70%)

OKLCHoklch(69.9% 0.114 150.2)

CMYKcmyk(43%, 0%, 33%, 30%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66B278 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.56:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text8.2:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66B278 based on color wheel relationships. Click any swatch for its full breakdown.

Base#66B278 Complementary#B266A0 Analogous#7BB266 Analogous#66B29E Triadic#7866B2 Triadic#B27866

Tints & Shades

Lighter tints and darker shades of #66B278, useful for hover states, backgrounds, and text variants.

Tints

#7BBC8A #8FC79C #A3D1AE #BBDDC3 #D0E7D5 #E4F1E7

Shades

#52A365 #448854 #387045 #2C5837 #204028 #132517

Use #66B278 in Our Tools

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