#66D11F Color
#66D11F is rgb(102, 209, 31) in RGB and hsl(96, 74%, 47%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.
#66D11F
HEX
#66D11FRGB
rgb(102, 209, 31)HSL
hsl(96, 74%, 47%)HSV
hsv(96, 85%, 82%)OKLCH
oklch(76.7% 0.222 136.8)CMYK
cmyk(51%, 0%, 85%, 18%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66D11F background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.96:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text10.7:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66D11F based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66D11F, useful for hover states, backgrounds, and text variants.