#66C653 Color

#66C653 is rgb(102, 198, 83) in RGB and hsl(110, 50%, 55%) in HSL. The closest CSS named color is MediumSeaGreen. Black text is most readable on this background.

#66C653
HEX#66C653
RGBrgb(102, 198, 83)
HSLhsl(110, 50%, 55%)
HSVhsv(110, 58%, 78%)
OKLCHoklch(74.3% 0.178 140.5)
CMYKcmyk(48%, 0%, 58%, 22%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66C653 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.15:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text9.77:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66C653 based on color wheel relationships. Click any swatch for its full breakdown.

Base#66C653Complementary#B353C6Analogous#9FC653Analogous#53C679Triadic#5366C6Triadic#C65366

Tints & Shades

Lighter tints and darker shades of #66C653, useful for hover states, backgrounds, and text variants.

Use #66C653 in Our Tools

Hex to RGBHex to HSLHex to CMYKHex to PantoneRGBA to Hex