#66DDE1 Color
#66DDE1 is rgb(102, 221, 225) in RGB and hsl(182, 67%, 64%) in HSL. The closest CSS named color is SkyBlue. Black text is most readable on this background.
#66DDE1
HEX
#66DDE1RGB
rgb(102, 221, 225)HSL
hsl(182, 67%, 64%)HSV
hsv(182, 55%, 88%)OKLCH
oklch(83.1% 0.107 198.3)CMYK
cmyk(55%, 2%, 0%, 12%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66DDE1 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.62:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text12.99:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66DDE1 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66DDE1, useful for hover states, backgrounds, and text variants.