#51B12B Color
#51B12B is rgb(81, 177, 43) in RGB and hsl(103, 61%, 43%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.
#51B12B
HEX
#51B12BRGB
rgb(81, 177, 43)HSL
hsl(103, 61%, 43%)HSV
hsv(103, 76%, 69%)OKLCH
oklch(67.6% 0.19 138.6)CMYK
cmyk(54%, 0%, 76%, 31%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #51B12B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.74:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text7.67:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #51B12B based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #51B12B, useful for hover states, backgrounds, and text variants.