#66D668 Color
#66D668 is rgb(102, 214, 104) in RGB and hsl(121, 58%, 62%) in HSL. The closest CSS named color is MediumSeaGreen. Black text is most readable on this background.
#66D668
HEX
#66D668RGB
rgb(102, 214, 104)HSL
hsl(121, 58%, 62%)HSV
hsv(121, 52%, 84%)OKLCH
oklch(78.5% 0.181 143.9)CMYK
cmyk(52%, 0%, 51%, 16%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66D668 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.84:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text11.38:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66D668 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66D668, useful for hover states, backgrounds, and text variants.