#66C8D1 Color
#66C8D1 is rgb(102, 200, 209) in RGB and hsl(185, 54%, 61%) in HSL. The closest CSS named color is MediumTurquoise. Black text is most readable on this background.
#66C8D1
HEX
#66C8D1RGB
rgb(102, 200, 209)HSL
hsl(185, 54%, 61%)HSV
hsv(185, 51%, 82%)OKLCH
oklch(77.7% 0.093 203.4)CMYK
cmyk(51%, 4%, 0%, 18%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66C8D1 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.95:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text10.75:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66C8D1 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66C8D1, useful for hover states, backgrounds, and text variants.