#663c00
a deep, electric orange · warm · closest name: sienna
RGB
102, 60, 0
HSL
35°, 100%, 20%
CMYK
0, 41, 100, 60
Luminance
0.0606
Every format
| HEX | #663c00 |
| RGB | rgb(102, 60, 0) |
| HSL | hsl(35, 100%, 20%) |
| CMYK | cmyk(0%, 41%, 100%, 60%) |
| LAB | lab(29.6 14.2 39.6) |
| LCH | lch(29.6 42.0 70.3) |
| OKLCH | oklch(0.398 0.088 66.9) |
Copy-ready code
/* CSS */
color: #663c00;
background-color: #663c00;
/* Tailwind (arbitrary) */
class="text-[#663c00] bg-[#663c00]"
/* SCSS */
$brand: #663c00;
/* SwiftUI */
Color(red: 0.400, green: 0.235, blue: 0.000)
/* Android */
Color.parseColor("#663c00")Accessibility — WCAG contrast
Aa
#663c00 on white: 9.50:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#663c00 on black: 2.21:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green23.5%
Blue0.0%
CMYK percentages
Cyan0.0%
Magenta41.2%
Yellow100.0%
Key (black)60.0%
Color previews
#663c00 text on a black background
contrast 2.21:1
Card sample
#663c00 text on a white background
contrast 9.50:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #663c00;
Background color
Panel with #663c00 background
background-color: #663c00;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #663c00;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 60, 0, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 60, 0, 0.45);
Border & gradient
Gradient panel
border: 3px solid #663c00; background: linear-gradient(135deg, #663c00, #4C6600);