#66C658 Color

#66C658 is rgb(102, 198, 88) in RGB and hsl(112, 49%, 56%) in HSL. The closest CSS named color is MediumSeaGreen. Black text is most readable on this background.

#66C658

HEX#66C658

RGBrgb(102, 198, 88)

HSLhsl(112, 49%, 56%)

HSVhsv(112, 56%, 78%)

OKLCHoklch(74.3% 0.174 141.2)

CMYKcmyk(48%, 0%, 56%, 22%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66C658 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.15:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text9.78:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66C658 based on color wheel relationships. Click any swatch for its full breakdown.

Base#66C658 Complementary#B758C6 Analogous#9DC658 Analogous#58C680 Triadic#5866C6 Triadic#C65866

Tints & Shades

Lighter tints and darker shades of #66C658, useful for hover states, backgrounds, and text variants.

Tints

#7BCE6F #90D585 #A5DD9C #BAE5B3 #CEEDCA #E3F5E1

Shades

#50BA40 #439C35 #38812C #2A6322 #1F4819 #122A0E

Use #66C658 in Our Tools

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