#66C291 Color
#66C291 is rgb(102, 194, 145) in RGB and hsl(148, 43%, 58%) in HSL. The closest CSS named color is MediumAquamarine. Black text is most readable on this background.
#66C291
HEX
#66C291RGB
rgb(102, 194, 145)HSL
hsl(148, 43%, 58%)HSV
hsv(148, 47%, 76%)OKLCH
oklch(74.4% 0.114 158.6)CMYK
cmyk(47%, 0%, 25%, 24%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66C291 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.17:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text9.69:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66C291 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66C291, useful for hover states, backgrounds, and text variants.