#66C931 Color
#66C931 is rgb(102, 201, 49) in RGB and hsl(99, 61%, 49%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.
#66C931
HEX
#66C931RGB
rgb(102, 201, 49)HSL
hsl(99, 61%, 49%)HSV
hsv(99, 76%, 79%)OKLCH
oklch(74.7% 0.205 137.2)CMYK
cmyk(49%, 0%, 76%, 21%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66C931 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.11:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text9.96:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66C931 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66C931, useful for hover states, backgrounds, and text variants.