#51A981 Color
#51A981 is rgb(81, 169, 129) in RGB and hsl(153, 35%, 49%) in HSL. The closest CSS named color is MediumSeaGreen. Black text is most readable on this background.
#51A981
HEX
#51A981RGB
rgb(81, 169, 129)HSL
hsl(153, 35%, 49%)HSV
hsv(153, 52%, 66%)OKLCH
oklch(66.9% 0.105 161.9)CMYK
cmyk(52%, 0%, 24%, 34%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #51A981 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.86:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text7.34:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #51A981 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #51A981, useful for hover states, backgrounds, and text variants.