#66D33C Color
#66D33C is rgb(102, 211, 60) in RGB and hsl(103, 63%, 53%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.
#66D33C
HEX
#66D33CRGB
rgb(102, 211, 60)HSL
hsl(103, 63%, 53%)HSV
hsv(103, 72%, 83%)OKLCH
oklch(77.3% 0.211 138.5)CMYK
cmyk(52%, 0%, 72%, 17%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66D33C background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.92:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text10.95:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66D33C based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66D33C, useful for hover states, backgrounds, and text variants.