#666666 Color

#666666 is rgb(102, 102, 102) in RGB and hsl(0, 0%, 40%) in HSL. The closest CSS named color is DimGray. White text is most readable on this background.

#666666

HEX#666666

RGBrgb(102, 102, 102)

HSLhsl(0, 0%, 40%)

HSVhsv(0, 0%, 40%)

OKLCHoklch(51% 0 0)

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

Text Contrast & Accessibility

WCAG contrast ratios for text on a #666666 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.74:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.66:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #666666 based on color wheel relationships. Click any swatch for its full breakdown.

Base#666666 Complementary#666666 Analogous#666666 Analogous#666666 Triadic#666666 Triadic#666666

Tints & Shades

Lighter tints and darker shades of #666666, useful for hover states, backgrounds, and text variants.

Tints

#7A7A7A #919191 #A6A6A6 #BABABA #CFCFCF #E6E6E6

Shades

#595959 #4D4D4D #404040 #303030 #242424 #171717

Use #666666 in Our Tools

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