#51B931 Color
#51B931 is rgb(81, 185, 49) in RGB and hsl(106, 58%, 46%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.
#51B931
HEX
#51B931RGB
rgb(81, 185, 49)HSL
hsl(106, 58%, 46%)HSV
hsv(106, 74%, 73%)OKLCH
oklch(69.8% 0.196 139.5)CMYK
cmyk(56%, 0%, 74%, 27%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #51B931 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.52:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text8.33:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #51B931 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #51B931, useful for hover states, backgrounds, and text variants.