#645B40
Muted Yellow
HEX
RGB
HSL
About #645B40 Muted Yellow
#645B40 is a muted yellow color. In the RGB color model, it is composed of 100 red, 91 green, and 64 blue. In the HSL color space, it has a hue of 45°, saturation of 22%, and lightness of 32%.
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 #645B40 in your CSS, SCSS, or Tailwind projects.
Color Properties
45°
Hue
22%
Saturation
32%
Lightness
Muted Yellow
Color Harmonies
Colors that work well with #645B40 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #645B40 against white and black backgrounds.
Aa#645B40 on White
Contrast Ratio6.75:1
AA ✓AA Large ✓AAA ✗
Aa#645B40 on Black
Contrast Ratio3.11:1
AA ✗AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #645B40 across different color formats.
| Format | Value |
|---|---|
| HEX | #645B40 |
| RGB | rgb(100, 91, 64) |
| HSL | hsl(45, 22%, 32%) |
| RGB Decimal | 100, 91, 64 |
| RGB Percent | 39.2%, 35.7%, 25.1% |
| CMYK (approx.) | 0%, 9%, 36%, 61% |
Related Palettes
12 palettes using #645B40 or similar colors