#66C238 Color
#66C238 is rgb(102, 194, 56) in RGB and hsl(100, 55%, 49%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.
#66C238
HEX
#66C238RGB
rgb(102, 194, 56)HSL
hsl(100, 55%, 49%)HSV
hsv(100, 71%, 76%)OKLCH
oklch(73% 0.193 137.2)CMYK
cmyk(47%, 0%, 71%, 24%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66C238 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.25:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text9.34:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66C238 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66C238, useful for hover states, backgrounds, and text variants.