#556d21
a dark, vivid green · cool · closest name: olivedrab
RGB
85, 109, 33
HSL
79°, 54%, 28%
CMYK
22, 0, 70, 57
Luminance
0.1298
Every format
| HEX | #556d21 |
| RGB | rgb(85, 109, 33) |
| HSL | hsl(79, 54%, 28%) |
| CMYK | cmyk(22%, 0%, 70%, 57%) |
| LAB | lab(42.7 -21.2 38.0) |
| LCH | lch(42.7 43.5 119.1) |
| OKLCH | oklch(0.499 0.106 125.2) |
Copy-ready code
/* CSS */
color: #556d21;
background-color: #556d21;
/* Tailwind (arbitrary) */
class="text-[#556d21] bg-[#556d21]"
/* SCSS */
$brand: #556d21;
/* SwiftUI */
Color(red: 0.333, green: 0.427, blue: 0.129)
/* Android */
Color.parseColor("#556d21")Accessibility — WCAG contrast
Aa
#556d21 on white: 5.84:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#556d21 on black: 3.60:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red33.3%
Green42.7%
Blue12.9%
CMYK percentages
Cyan22.0%
Magenta0.0%
Yellow69.7%
Key (black)57.3%
Color previews
#556d21 text on a black background
contrast 3.60:1
Card sample
#556d21 text on a white background
contrast 5.84:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #556d21;
Background color
Panel with #556d21 background
background-color: #556d21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #556d21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(85, 109, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(85, 109, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #556d21; background: linear-gradient(135deg, #556d21, #226D21);