#66FFD4 Color

#66FFD4 is rgb(102, 255, 212) in RGB and hsl(163, 100%, 70%) in HSL. The closest CSS named color is Aquamarine. Black text is most readable on this background.

#66FFD4

HEX#66FFD4

RGBrgb(102, 255, 212)

HSLhsl(163, 100%, 70%)

HSVhsv(163, 60%, 100%)

OKLCHoklch(90.7% 0.144 171.3)

CMYKcmyk(60%, 0%, 17%, 0%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66FFD4 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text1.25:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text16.82:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66FFD4 based on color wheel relationships. Click any swatch for its full breakdown.

Base#66FFD4 Complementary#FF6691 Analogous#66FF87 Analogous#66DEFF Triadic#D466FF Triadic#FFD466

Tints & Shades

Lighter tints and darker shades of #66FFD4, useful for hover states, backgrounds, and text variants.

Tints

#7AFFD9 #8FFFDF #A3FFE5 #B8FFEB #CCFFF1 #E0FFF6

Shades

#38FFC7 #05FFB8 #00D69A #00A375 #007554 #004230

Use #66FFD4 in Our Tools

Hex to RGB Hex to HSL Hex to CMYK Hex to Pantone RGBA to Hex