#66C78D Color
#66C78D is rgb(102, 199, 141) in RGB and hsl(144, 46%, 59%) in HSL. The closest CSS named color is MediumAquamarine. Black text is most readable on this background.
#66C78D
HEX
#66C78DRGB
rgb(102, 199, 141)HSL
hsl(144, 46%, 59%)HSV
hsv(144, 49%, 78%)OKLCH
oklch(75.5% 0.125 155.6)CMYK
cmyk(49%, 0%, 29%, 22%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66C78D background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.08:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text10.12:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66C78D based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66C78D, useful for hover states, backgrounds, and text variants.