#556b21
a dark, vivid green · cool · closest name: olivedrab
RGB
85, 107, 33
HSL
78°, 53%, 28%
CMYK
21, 0, 69, 58
Luminance
0.1256
Every format
| HEX | #556b21 |
| RGB | rgb(85, 107, 33) |
| HSL | hsl(78, 53%, 28%) |
| CMYK | cmyk(21%, 0%, 69%, 58%) |
| LAB | lab(42.1 -20.1 37.3) |
| LCH | lch(42.1 42.4 118.4) |
| OKLCH | oklch(0.494 0.103 124.3) |
Copy-ready code
/* CSS */
color: #556b21;
background-color: #556b21;
/* Tailwind (arbitrary) */
class="text-[#556b21] bg-[#556b21]"
/* SCSS */
$brand: #556b21;
/* SwiftUI */
Color(red: 0.333, green: 0.420, blue: 0.129)
/* Android */
Color.parseColor("#556b21")Accessibility — WCAG contrast
Aa
#556b21 on white: 5.98:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#556b21 on black: 3.51:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red33.3%
Green42.0%
Blue12.9%
CMYK percentages
Cyan20.6%
Magenta0.0%
Yellow69.2%
Key (black)58.0%
Color previews
#556b21 text on a black background
contrast 3.51:1
Card sample
#556b21 text on a white background
contrast 5.98:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #556b21;
Background color
Panel with #556b21 background
background-color: #556b21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #556b21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(85, 107, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(85, 107, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #556b21; background: linear-gradient(135deg, #556b21, #246B21);