#51B148 Color
#51B148 is rgb(81, 177, 72) in RGB and hsl(115, 42%, 49%) in HSL. The closest CSS named color is MediumSeaGreen. Black text is most readable on this background.
#51B148
HEX
#51B148RGB
rgb(81, 177, 72)HSL
hsl(115, 42%, 49%)HSV
hsv(115, 59%, 69%)OKLCH
oklch(67.9% 0.17 142)CMYK
cmyk(54%, 0%, 59%, 31%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #51B148 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.72:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text7.73:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #51B148 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #51B148, useful for hover states, backgrounds, and text variants.