#66EEF5 Color
#66EEF5 is rgb(102, 238, 245) in RGB and hsl(183, 88%, 68%) in HSL. The closest CSS named color is Aquamarine. Black text is most readable on this background.
#66EEF5
HEX
#66EEF5RGB
rgb(102, 238, 245)HSL
hsl(183, 88%, 68%)HSV
hsv(183, 58%, 96%)OKLCH
oklch(87.7% 0.118 199.9)CMYK
cmyk(58%, 3%, 0%, 4%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66EEF5 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.39:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text15.11:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66EEF5 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66EEF5, useful for hover states, backgrounds, and text variants.