#66D855 Color

#66D855 is rgb(102, 216, 85) in RGB and hsl(112, 63%, 59%) in HSL. The closest CSS named color is MediumSeaGreen. Black text is most readable on this background.

#66D855

HEX#66D855

RGBrgb(102, 216, 85)

HSLhsl(112, 63%, 59%)

HSVhsv(112, 61%, 85%)

OKLCHoklch(78.8% 0.2 141.2)

CMYKcmyk(53%, 0%, 61%, 15%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66D855 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text1.82:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text11.52:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66D855 based on color wheel relationships. Click any swatch for its full breakdown.

Base#66D855 Complementary#C755D8 Analogous#A8D855 Analogous#55D885 Triadic#5566D8 Triadic#D85566

Tints & Shades

Lighter tints and darker shades of #66D855, useful for hover states, backgrounds, and text variants.

Tints

#7DDE6E #8FE382 #A6E89B #B8EDB0 #CFF3C9 #E1F7DE

Shades

#48D133 #3BB329 #309121 #26741A #1B5313 #10320B

Use #66D855 in Our Tools

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