#66E5DD Color

#66E5DD is rgb(102, 229, 221) in RGB and hsl(176, 71%, 65%) in HSL. The closest CSS named color is Aquamarine. Black text is most readable on this background.

#66E5DD

HEX#66E5DD

RGBrgb(102, 229, 221)

HSLhsl(176, 71%, 65%)

HSVhsv(176, 55%, 90%)

OKLCHoklch(84.8% 0.113 189.6)

CMYKcmyk(55%, 0%, 3%, 10%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66E5DD background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text1.52:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text13.82:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66E5DD based on color wheel relationships. Click any swatch for its full breakdown.

Base#66E5DD Complementary#E5666F Analogous#66E59D Analogous#66AEE5 Triadic#DD66E5 Triadic#E5DD66

Tints & Shades

Lighter tints and darker shades of #66E5DD, useful for hover states, backgrounds, and text variants.

Tints

#7CE9E2 #8EECE5 #A3EFEA #B9F3EF #CFF7F4 #E0FAF8

Shades

#3FDED4 #23D1C6 #1DAAA1 #16837C #105C57 #0A3936

Use #66E5DD in Our Tools

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