#634d21
a dark, vivid yellow · warm · closest name: sienna
RGB
99, 77, 33
HSL
40°, 50%, 26%
CMYK
0, 22, 67, 61
Luminance
0.0807
Every format
| HEX | #634d21 |
| RGB | rgb(99, 77, 33) |
| HSL | hsl(40, 50%, 26%) |
| CMYK | cmyk(0%, 22%, 67%, 61%) |
| LAB | lab(34.1 3.7 29.1) |
| LCH | lch(34.1 29.3 82.7) |
| OKLCH | oklch(0.433 0.068 82.6) |
Copy-ready code
/* CSS */
color: #634d21;
background-color: #634d21;
/* Tailwind (arbitrary) */
class="text-[#634d21] bg-[#634d21]"
/* SCSS */
$brand: #634d21;
/* SwiftUI */
Color(red: 0.388, green: 0.302, blue: 0.129)
/* Android */
Color.parseColor("#634d21")Accessibility — WCAG contrast
Aa
#634d21 on white: 8.03:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#634d21 on black: 2.61:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red38.8%
Green30.2%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta22.2%
Yellow66.7%
Key (black)61.2%
Color previews
#634d21 text on a black background
contrast 2.61:1
Card sample
#634d21 text on a white background
contrast 8.03:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #634d21;
Background color
Panel with #634d21 background
background-color: #634d21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #634d21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(99, 77, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(99, 77, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #634d21; background: linear-gradient(135deg, #634d21, #4D6321);