#666421
a dark, vivid yellow · cool · closest name: olive
RGB
102, 100, 33
HSL
58°, 51%, 27%
CMYK
0, 2, 68, 60
Luminance
0.1205
Every format
| HEX | #666421 |
| RGB | rgb(102, 100, 33) |
| HSL | hsl(58, 51%, 27%) |
| CMYK | cmyk(0%, 2%, 68%, 60%) |
| LAB | lab(41.3 -8.5 36.9) |
| LCH | lch(41.3 37.9 102.9) |
| OKLCH | oklch(0.491 0.088 107.6) |
Copy-ready code
/* CSS */
color: #666421;
background-color: #666421;
/* Tailwind (arbitrary) */
class="text-[#666421] bg-[#666421]"
/* SCSS */
$brand: #666421;
/* SwiftUI */
Color(red: 0.400, green: 0.392, blue: 0.129)
/* Android */
Color.parseColor("#666421")Accessibility — WCAG contrast
Aa
#666421 on white: 6.16:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#666421 on black: 3.41:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green39.2%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta2.0%
Yellow67.6%
Key (black)60.0%
Color previews
#666421 text on a black background
contrast 3.41:1
Card sample
#666421 text on a white background
contrast 6.16:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #666421;
Background color
Panel with #666421 background
background-color: #666421;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #666421;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 100, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 100, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #666421; background: linear-gradient(135deg, #666421, #3A6621);