#51A951 Color
#51A951 is rgb(81, 169, 81) in RGB and hsl(120, 35%, 49%) in HSL. The closest CSS named color is MediumSeaGreen. Black text is most readable on this background.
#51A951
HEX
#51A951RGB
rgb(81, 169, 81)HSL
hsl(120, 35%, 49%)HSV
hsv(120, 52%, 66%)OKLCH
oklch(66% 0.151 143.6)CMYK
cmyk(52%, 0%, 52%, 34%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #51A951 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.94:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text7.14:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #51A951 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #51A951, useful for hover states, backgrounds, and text variants.