#81E228 Color
#81E228 is rgb(129, 226, 40) in RGB and hsl(91, 76%, 52%) in HSL. The closest CSS named color is YellowGreen. Black text is most readable on this background.
#81E228
HEX
#81E228RGB
rgb(129, 226, 40)HSL
hsl(91, 76%, 52%)HSV
hsv(91, 82%, 89%)OKLCH
oklch(82.1% 0.225 134.4)CMYK
cmyk(43%, 0%, 82%, 11%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #81E228 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.64:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text12.84:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #81E228 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #81E228, useful for hover states, backgrounds, and text variants.