#40E778 Color
#40E778 is rgb(64, 231, 120) in RGB and hsl(140, 78%, 58%) in HSL. The closest CSS named color is MediumSeaGreen. Black text is most readable on this background.
#40E778
HEX
#40E778RGB
rgb(64, 231, 120)HSL
hsl(140, 78%, 58%)HSV
hsv(140, 72%, 91%)OKLCH
oklch(81.9% 0.204 149.9)CMYK
cmyk(72%, 0%, 48%, 9%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #40E778 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.63:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text12.92:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #40E778 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #40E778, useful for hover states, backgrounds, and text variants.