#634e21
a dark, vivid yellow · warm · closest name: sienna
RGB
99, 78, 33
HSL
41°, 50%, 26%
CMYK
0, 21, 67, 61
Luminance
0.0821
Every format
| HEX | #634e21 |
| RGB | rgb(99, 78, 33) |
| HSL | hsl(41, 50%, 26%) |
| CMYK | cmyk(0%, 21%, 67%, 61%) |
| LAB | lab(34.4 3.1 29.4) |
| LCH | lch(34.4 29.5 84.0) |
| OKLCH | oklch(0.436 0.068 84.1) |
Copy-ready code
/* CSS */
color: #634e21;
background-color: #634e21;
/* Tailwind (arbitrary) */
class="text-[#634e21] bg-[#634e21]"
/* SCSS */
$brand: #634e21;
/* SwiftUI */
Color(red: 0.388, green: 0.306, blue: 0.129)
/* Android */
Color.parseColor("#634e21")Accessibility — WCAG contrast
Aa
#634e21 on white: 7.95:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#634e21 on black: 2.64:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red38.8%
Green30.6%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta21.2%
Yellow66.7%
Key (black)61.2%
Color previews
#634e21 text on a black background
contrast 2.64:1
Card sample
#634e21 text on a white background
contrast 7.95:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #634e21;
Background color
Panel with #634e21 background
background-color: #634e21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #634e21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(99, 78, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(99, 78, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #634e21; background: linear-gradient(135deg, #634e21, #4C6321);