#663B00
Dark Yellow
HEX
RGB
HSL
About #663B00 Dark Yellow
#663B00 is a dark yellow color. In the RGB color model, it is composed of 102 red, 59 green, and 0 blue. In the HSL color space, it has a hue of 35°, 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 #663B00 in your CSS, SCSS, or Tailwind projects.
Color Properties
35°
Hue
100%
Saturation
20%
Lightness
Dark Yellow
Color Harmonies
Colors that work well with #663B00 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #663B00 against white and black backgrounds.
Aa#663B00 on White
Contrast Ratio9.59:1
AA ✓AA Large ✓AAA ✓
Aa#663B00 on Black
Contrast Ratio2.19:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #663B00 across different color formats.
| Format | Value |
|---|---|
| HEX | #663B00 |
| RGB | rgb(102, 59, 0) |
| HSL | hsl(35, 100%, 20%) |
| RGB Decimal | 102, 59, 0 |
| RGB Percent | 40.0%, 23.1%, 0.0% |
| CMYK (approx.) | 0%, 42%, 100%, 60% |
Related Palettes
12 palettes using #663B00 or similar colors