#51B87A Color
#51B87A is rgb(81, 184, 122) in RGB and hsl(144, 42%, 52%) in HSL. The closest CSS named color is MediumSeaGreen. Black text is most readable on this background.
#51B87A
HEX
#51B87ARGB
rgb(81, 184, 122)HSL
hsl(144, 42%, 52%)HSV
hsv(144, 56%, 72%)OKLCH
oklch(70.5% 0.133 154.5)CMYK
cmyk(56%, 0%, 34%, 28%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #51B87A background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.47:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text8.49:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #51B87A based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #51B87A, useful for hover states, backgrounds, and text variants.