#66D191 Color

#66D191 is rgb(102, 209, 145) in RGB and hsl(144, 54%, 61%) in HSL. The closest CSS named color is MediumAquamarine. Black text is most readable on this background.

#66D191

HEX#66D191

RGBrgb(102, 209, 145)

HSLhsl(144, 54%, 61%)

HSVhsv(144, 51%, 82%)

OKLCHoklch(78% 0.136 155.2)

CMYKcmyk(51%, 0%, 31%, 18%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66D191 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text1.89:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text11.09:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66D191 based on color wheel relationships. Click any swatch for its full breakdown.

Base#66D191 Complementary#D166A6 Analogous#71D166 Analogous#66D1C7 Triadic#9166D1 Triadic#D19166

Tints & Shades

Lighter tints and darker shades of #66D191, useful for hover states, backgrounds, and text variants.

Tints

#79D79F #91DEB0 #A5E4BE #B8EACC #CCF0DA #E4F7EB

Shades

#46C87A #35B166 #2B9154 #216E40 #174F2D #0E2F1B

Use #66D191 in Our Tools

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