#40D478 Color
#40D478 is rgb(64, 212, 120) in RGB and hsl(143, 63%, 54%) in HSL. The closest CSS named color is MediumSeaGreen. Black text is most readable on this background.
#40D478
HEX
#40D478RGB
rgb(64, 212, 120)HSL
hsl(143, 63%, 54%)HSV
hsv(143, 70%, 83%)OKLCH
oklch(77.1% 0.18 151.8)CMYK
cmyk(70%, 0%, 43%, 17%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #40D478 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.93:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text10.91:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #40D478 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #40D478, useful for hover states, backgrounds, and text variants.