#663F00
Dark Yellow
HEX
RGB
HSL
About #663F00 Dark Yellow
#663F00 is a dark yellow color. In the RGB color model, it is composed of 102 red, 63 green, and 0 blue. In the HSL color space, it has a hue of 37°, saturation of 100%, and lightness of 20%.
This color has a low lightness value, making it a dark color great for text and bold accents. With high saturation, it appears vibrant and eye-catching.
CSS Code
Use #663F00 in your CSS, SCSS, or Tailwind projects.
Color Properties
37°
Hue
100%
Saturation
20%
Lightness
Dark Yellow
Color Harmonies
Colors that work well with #663F00 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #663F00 against white and black backgrounds.
Aa#663F00 on White
Contrast Ratio9.23:1
AA ✓AA Large ✓AAA ✓
Aa#663F00 on Black
Contrast Ratio2.28:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #663F00 across different color formats.
| Format | Value |
|---|---|
| HEX | #663F00 |
| RGB | rgb(102, 63, 0) |
| HSL | hsl(37, 100%, 20%) |
| RGB Decimal | 102, 63, 0 |
| RGB Percent | 40.0%, 24.7%, 0.0% |
| CMYK (approx.) | 0%, 38%, 100%, 60% |
Related Palettes
12 palettes using #663F00 or similar colors