#666633
a dark, soft yellow · cool · closest name: olive
RGB
102, 102, 51
HSL
60°, 33%, 30%
CMYK
0, 0, 50, 60
Luminance
0.1257
Every format
| HEX | #666633 |
| RGB | rgb(102, 102, 51) |
| HSL | hsl(60, 33%, 30%) |
| CMYK | cmyk(0%, 0%, 50%, 60%) |
| LAB | lab(42.1 -8.1 28.6) |
| LCH | lch(42.1 29.7 105.7) |
| OKLCH | oklch(0.498 0.072 108.8) |
Copy-ready code
/* CSS */
color: #666633;
background-color: #666633;
/* Tailwind (arbitrary) */
class="text-[#666633] bg-[#666633]"
/* SCSS */
$brand: #666633;
/* SwiftUI */
Color(red: 0.400, green: 0.400, blue: 0.200)
/* Android */
Color.parseColor("#666633")Accessibility — WCAG contrast
Aa
#666633 on white: 5.98:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#666633 on black: 3.51:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green40.0%
Blue20.0%
CMYK percentages
Cyan0.0%
Magenta0.0%
Yellow50.0%
Key (black)60.0%
Color previews
#666633 text on a black background
contrast 3.51:1
Card sample
#666633 text on a white background
contrast 5.98:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #666633;
Background color
Panel with #666633 background
background-color: #666633;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #666633;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 102, 51, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 102, 51, 0.45);
Border & gradient
Gradient panel
border: 3px solid #666633; background: linear-gradient(135deg, #666633, #446633);