#666666
Gray
HEX
RGB
HSL
About #666666 Gray
#666666 is a gray color. In the RGB color model, it is composed of 102 red, 102 green, and 102 blue. In the HSL color space, it has a hue of 0°, saturation of 0%, and lightness of 40%.
This color has a low lightness value, making it a dark color great for text and bold accents. With low saturation, it appears muted and subtle.
CSS Code
Use #666666 in your CSS, SCSS, or Tailwind projects.
Color Properties
0°
Hue
0%
Saturation
40%
Lightness
Gray
Color Harmonies
Colors that work well with #666666 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #666666 against white and black backgrounds.
Aa#666666 on White
Contrast Ratio5.74:1
AA ✓AA Large ✓AAA ✗
Aa#666666 on Black
Contrast Ratio3.66:1
AA ✗AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #666666 across different color formats.
| Format | Value |
|---|---|
| HEX | #666666 |
| RGB | rgb(102, 102, 102) |
| HSL | hsl(0, 0%, 40%) |
| RGB Decimal | 102, 102, 102 |
| RGB Percent | 40.0%, 40.0%, 40.0% |
| CMYK (approx.) | 0%, 0%, 0%, 60% |
Related Palettes
12 palettes using #666666 or similar colors