#40B578 Color
#40B578 is rgb(64, 181, 120) in RGB and hsl(149, 48%, 48%) in HSL. The closest CSS named color is MediumSeaGreen. Black text is most readable on this background.
#40B578
HEX
#40B578RGB
rgb(64, 181, 120)HSL
hsl(149, 48%, 48%)HSV
hsv(149, 65%, 71%)OKLCH
oklch(69.2% 0.139 156.7)CMYK
cmyk(65%, 0%, 34%, 29%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #40B578 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.59:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text8.1:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #40B578 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #40B578, useful for hover states, backgrounds, and text variants.