#66EF43 Color
#66EF43 is rgb(102, 239, 67) in RGB and hsl(108, 84%, 60%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.
#66EF43
HEX
#66EF43RGB
rgb(102, 239, 67)HSL
hsl(108, 84%, 60%)HSV
hsv(108, 72%, 94%)OKLCH
oklch(84.4% 0.239 140)CMYK
cmyk(57%, 0%, 72%, 6%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66EF43 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.5:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text13.99:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66EF43 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66EF43, useful for hover states, backgrounds, and text variants.