#66F5E4 Color
#66F5E4 is rgb(102, 245, 228) in RGB and hsl(173, 88%, 68%) in HSL. The closest CSS named color is Aquamarine. Black text is most readable on this background.
#66F5E4
HEX
#66F5E4RGB
rgb(102, 245, 228)HSL
hsl(173, 88%, 68%)HSV
hsv(173, 58%, 96%)OKLCH
oklch(88.8% 0.126 184.5)CMYK
cmyk(58%, 0%, 7%, 4%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66F5E4 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.33:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text15.75:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66F5E4 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66F5E4, useful for hover states, backgrounds, and text variants.