#66E5B5 Color
#66E5B5 is rgb(102, 229, 181) in RGB and hsl(157, 71%, 65%) in HSL. The closest CSS named color is MediumAquamarine. Black text is most readable on this background.
#66E5B5
HEX
#66E5B5RGB
rgb(102, 229, 181)HSL
hsl(157, 71%, 65%)HSV
hsv(157, 55%, 90%)OKLCH
oklch(83.7% 0.133 165.6)CMYK
cmyk(55%, 0%, 21%, 10%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66E5B5 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.56:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text13.44:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66E5B5 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66E5B5, useful for hover states, backgrounds, and text variants.