#66D691 Color
#66D691 is rgb(102, 214, 145) in RGB and hsl(143, 58%, 62%) in HSL. The closest CSS named color is MediumAquamarine. Black text is most readable on this background.
#66D691
HEX
#66D691RGB
rgb(102, 214, 145)HSL
hsl(143, 58%, 62%)HSV
hsv(143, 52%, 84%)OKLCH
oklch(79.3% 0.143 154.3)CMYK
cmyk(52%, 0%, 32%, 16%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66D691 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.81:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text11.59:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66D691 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66D691, useful for hover states, backgrounds, and text variants.