#66FFC9 Color

#66FFC9 is rgb(102, 255, 201) in RGB and hsl(159, 100%, 70%) in HSL. The closest CSS named color is Aquamarine. Black text is most readable on this background.

#66FFC9

HEX#66FFC9

RGBrgb(102, 255, 201)

HSLhsl(159, 100%, 70%)

HSVhsv(159, 60%, 100%)

OKLCHoklch(90.4% 0.151 166.5)

CMYKcmyk(60%, 0%, 21%, 0%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66FFC9 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text1.26:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text16.71:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66FFC9 based on color wheel relationships. Click any swatch for its full breakdown.

Base#66FFC9 Complementary#FF669C Analogous#66FF7D Analogous#66E8FF Triadic#C966FF Triadic#FFC966

Tints & Shades

Lighter tints and darker shades of #66FFC9, useful for hover states, backgrounds, and text variants.

Tints

#7AFFD1 #8FFFD8 #A3FFDF #B8FFE6 #CCFFED #E0FFF4

Shades

#38FFB9 #05FFA8 #00D68B #00A36A #00754C #00422B

Use #66FFC9 in Our Tools

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