#66CFDB Color
#66CFDB is rgb(102, 207, 219) in RGB and hsl(186, 62%, 63%) in HSL. The closest CSS named color is MediumTurquoise. Black text is most readable on this background.
#66CFDB
HEX
#66CFDBRGB
rgb(102, 207, 219)HSL
hsl(186, 62%, 63%)HSV
hsv(186, 53%, 86%)OKLCH
oklch(79.7% 0.098 205.3)CMYK
cmyk(53%, 5%, 0%, 14%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66CFDB background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.82:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text11.51:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66CFDB based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66CFDB, useful for hover states, backgrounds, and text variants.