#21B53A Color
#21B53A is rgb(33, 181, 58) in RGB and hsl(130, 69%, 42%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.
#21B53A
HEX
#21B53ARGB
rgb(33, 181, 58)HSL
hsl(130, 69%, 42%)HSV
hsv(130, 82%, 71%)OKLCH
oklch(67.6% 0.202 144.9)CMYK
cmyk(82%, 0%, 68%, 29%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #21B53A background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.71:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text7.74:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #21B53A based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #21B53A, useful for hover states, backgrounds, and text variants.