#21E42A Color
#21E42A is rgb(33, 228, 42) in RGB and hsl(123, 78%, 51%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.
#21E42A
HEX
#21E42ARGB
rgb(33, 228, 42)HSL
hsl(123, 78%, 51%)HSV
hsv(123, 86%, 89%)OKLCH
oklch(79.9% 0.259 143)CMYK
cmyk(86%, 0%, 82%, 11%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #21E42A 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 text12.2:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #21E42A based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #21E42A, useful for hover states, backgrounds, and text variants.