#51B391 Color
#51B391 is rgb(81, 179, 145) in RGB and hsl(159, 39%, 51%) in HSL. The closest CSS named color is CadetBlue. Black text is most readable on this background.
#51B391
HEX
#51B391RGB
rgb(81, 179, 145)HSL
hsl(159, 39%, 51%)HSV
hsv(159, 55%, 70%)OKLCH
oklch(69.8% 0.106 167.8)CMYK
cmyk(55%, 0%, 19%, 30%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #51B391 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.56:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text8.21:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #51B391 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #51B391, useful for hover states, backgrounds, and text variants.