#66D31D Color
#66D31D is rgb(102, 211, 29) in RGB and hsl(96, 76%, 47%) in HSL. The closest CSS named color is LawnGreen. Black text is most readable on this background.
#66D31D
HEX
#66D31DRGB
rgb(102, 211, 29)HSL
hsl(96, 76%, 47%)HSV
hsv(96, 86%, 83%)OKLCH
oklch(77.2% 0.225 136.9)CMYK
cmyk(52%, 0%, 86%, 17%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66D31D background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.93:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text10.9:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66D31D based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66D31D, useful for hover states, backgrounds, and text variants.