#51D945 Color
#51D945 is rgb(81, 217, 69) in RGB and hsl(115, 66%, 56%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.
#51D945
HEX
#51D945RGB
rgb(81, 217, 69)HSL
hsl(115, 66%, 56%)HSV
hsv(115, 68%, 85%)OKLCH
oklch(78.2% 0.221 142)CMYK
cmyk(63%, 0%, 68%, 15%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #51D945 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.85:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text11.36:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #51D945 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #51D945, useful for hover states, backgrounds, and text variants.