#66C778 Color

#66C778 is rgb(102, 199, 120) in RGB and hsl(131, 46%, 59%) in HSL. The closest CSS named color is MediumSeaGreen. Black text is most readable on this background.

#66C778

HEX#66C778

RGBrgb(102, 199, 120)

HSLhsl(131, 46%, 59%)

HSVhsv(131, 49%, 78%)

OKLCHoklch(75.1% 0.145 148.1)

CMYKcmyk(49%, 0%, 40%, 22%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66C778 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

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

TextBlack text10.01:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66C778 based on color wheel relationships. Click any swatch for its full breakdown.

Base#66C778 Complementary#C766B5 Analogous#85C766 Analogous#66C7A8 Triadic#7866C7 Triadic#C77866

Tints & Shades

Lighter tints and darker shades of #66C778, useful for hover states, backgrounds, and text variants.

Tints

#7DCF8C #8FD69C #A6DEB0 #B8E5C0 #CFEDD4 #E1F4E5

Shades

#49BC5E #3BA04E #30823F #276833 #1C4A24 #112D16

Use #66C778 in Our Tools

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