#a66021
a dark, vivid orange · warm · closest name: sienna
RGB
166, 96, 33
HSL
28°, 67%, 39%
CMYK
0, 42, 80, 35
Luminance
0.1658
Every format
| HEX | #a66021 |
| RGB | rgb(166, 96, 33) |
| HSL | hsl(28, 67%, 39%) |
| CMYK | cmyk(0%, 42%, 80%, 35%) |
| LAB | lab(47.7 23.6 45.8) |
| LCH | lch(47.7 51.5 62.8) |
| OKLCH | oklch(0.558 0.117 58.0) |
Copy-ready code
/* CSS */
color: #a66021;
background-color: #a66021;
/* Tailwind (arbitrary) */
class="text-[#a66021] bg-[#a66021]"
/* SCSS */
$brand: #a66021;
/* SwiftUI */
Color(red: 0.651, green: 0.376, blue: 0.129)
/* Android */
Color.parseColor("#a66021")Accessibility — WCAG contrast
Aa
#a66021 on white: 4.87:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#a66021 on black: 4.32:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red65.1%
Green37.6%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta42.2%
Yellow80.1%
Key (black)34.9%
Color previews
#a66021 text on a black background
contrast 4.32:1
Card sample
#a66021 text on a white background
contrast 4.87:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #a66021;
Background color
Panel with #a66021 background
background-color: #a66021;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #a66021;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(166, 96, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(166, 96, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a66021; background: linear-gradient(135deg, #a66021, #93A621);