#66E5CC Color
#66E5CC is rgb(102, 229, 204) in RGB and hsl(168, 71%, 65%) in HSL. The closest CSS named color is MediumTurquoise. Black text is most readable on this background.
#66E5CC
HEX
#66E5CCRGB
rgb(102, 229, 204)HSL
hsl(168, 71%, 65%)HSV
hsv(168, 55%, 90%)OKLCH
oklch(84.3% 0.119 178.3)CMYK
cmyk(55%, 0%, 11%, 10%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66E5CC background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.54:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text13.64:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66E5CC based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66E5CC, useful for hover states, backgrounds, and text variants.