#51D651 Color
#51D651 is rgb(81, 214, 81) in RGB and hsl(120, 62%, 58%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.
#51D651
HEX
#51D651RGB
rgb(81, 214, 81)HSL
hsl(120, 62%, 58%)HSV
hsv(120, 62%, 84%)OKLCH
oklch(77.5% 0.209 143.2)CMYK
cmyk(62%, 0%, 62%, 16%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #51D651 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.89:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text11.09:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #51D651 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #51D651, useful for hover states, backgrounds, and text variants.