#66E5C5 Color
#66E5C5 is rgb(102, 229, 197) in RGB and hsl(165, 71%, 65%) in HSL. The closest CSS named color is MediumAquamarine. Black text is most readable on this background.
#66E5C5
HEX
#66E5C5RGB
rgb(102, 229, 197)HSL
hsl(165, 71%, 65%)HSV
hsv(165, 55%, 90%)OKLCH
oklch(84.1% 0.123 174.1)CMYK
cmyk(55%, 0%, 14%, 10%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66E5C5 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.55:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text13.58:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66E5C5 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66E5C5, useful for hover states, backgrounds, and text variants.