#66F5E9 Color

#66F5E9 is rgb(102, 245, 233) in RGB and hsl(175, 88%, 68%) in HSL. The closest CSS named color is Aquamarine. Black text is most readable on this background.

#66F5E9
HEX#66F5E9
RGBrgb(102, 245, 233)
HSLhsl(175, 88%, 68%)
HSVhsv(175, 58%, 96%)
OKLCHoklch(88.9% 0.124 187.6)
CMYKcmyk(58%, 0%, 5%, 4%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66F5E9 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 text15.8:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66F5E9 based on color wheel relationships. Click any swatch for its full breakdown.

Base#66F5E9Complementary#F56672Analogous#66F5A1Analogous#66B9F5Triadic#E966F5Triadic#F5E966

Tints & Shades

Lighter tints and darker shades of #66F5E9, useful for hover states, backgrounds, and text variants.

Use #66F5E9 in Our Tools

Hex to RGBHex to HSLHex to CMYKHex to PantoneRGBA to Hex