#40E243 Color
#40E243 is rgb(64, 226, 67) in RGB and hsl(121, 74%, 57%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.
#40E243
HEX
#40E243RGB
rgb(64, 226, 67)HSL
hsl(121, 74%, 57%)HSV
hsv(121, 72%, 89%)OKLCH
oklch(80.1% 0.238 143.2)CMYK
cmyk(72%, 0%, 70%, 11%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #40E243 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.72:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text12.18:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #40E243 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #40E243, useful for hover states, backgrounds, and text variants.