#66D327 Color
#66D327 is rgb(102, 211, 39) in RGB and hsl(98, 69%, 49%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.
#66D327
HEX
#66D327RGB
rgb(102, 211, 39)HSL
hsl(98, 69%, 49%)HSV
hsv(98, 82%, 83%)OKLCH
oklch(77.2% 0.221 137.3)CMYK
cmyk(52%, 0%, 82%, 17%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66D327 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 text10.91:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66D327 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66D327, useful for hover states, backgrounds, and text variants.