#51B517 Color
#51B517 is rgb(81, 181, 23) in RGB and hsl(98, 77%, 40%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.
#51B517
HEX
#51B517RGB
rgb(81, 181, 23)HSL
hsl(98, 77%, 40%)HSV
hsv(98, 87%, 71%)OKLCH
oklch(68.6% 0.203 137.7)CMYK
cmyk(55%, 0%, 87%, 29%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #51B517 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.63:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text7.97:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #51B517 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #51B517, useful for hover states, backgrounds, and text variants.