#66C559 Color

#66C559 is rgb(102, 197, 89) in RGB and hsl(113, 48%, 56%) in HSL. The closest CSS named color is MediumSeaGreen. Black text is most readable on this background.

#66C559

HEX#66C559

RGBrgb(102, 197, 89)

HSLhsl(113, 48%, 56%)

HSVhsv(113, 55%, 77%)

OKLCHoklch(74.1% 0.172 141.3)

CMYKcmyk(48%, 0%, 55%, 23%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66C559 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.17:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text9.7:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66C559 based on color wheel relationships. Click any swatch for its full breakdown.

Base#66C559 Complementary#B859C5 Analogous#9BC559 Analogous#59C582 Triadic#5966C5 Triadic#C55966

Tints & Shades

Lighter tints and darker shades of #66C559, useful for hover states, backgrounds, and text variants.

Tints

#7ACD70 #8FD586 #A4DD9D #B9E4B4 #CEECCA #E3F4E1

Shades

#4FB941 #429B36 #37802D #2A6222 #1F4819 #122A0F

Use #66C559 in Our Tools

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