#66C271 Color
#66C271 is rgb(102, 194, 113) in RGB and hsl(127, 43%, 58%) in HSL. The closest CSS named color is MediumSeaGreen. Black text is most readable on this background.
#66C271
HEX
#66C271RGB
rgb(102, 194, 113)HSL
hsl(127, 43%, 58%)HSV
hsv(127, 47%, 76%)OKLCH
oklch(73.7% 0.145 146.5)CMYK
cmyk(47%, 0%, 42%, 24%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66C271 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.21:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text9.52:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66C271 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66C271, useful for hover states, backgrounds, and text variants.