#66D4E1 Color
#66D4E1 is rgb(102, 212, 225) in RGB and hsl(186, 67%, 64%) in HSL. The closest CSS named color is SkyBlue. Black text is most readable on this background.
#66D4E1
HEX
#66D4E1RGB
rgb(102, 212, 225)HSL
hsl(186, 67%, 64%)HSV
hsv(186, 55%, 88%)OKLCH
oklch(81% 0.102 205.7)CMYK
cmyk(55%, 6%, 0%, 12%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66D4E1 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.74:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text12.07:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66D4E1 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66D4E1, useful for hover states, backgrounds, and text variants.