#556f21
a dark, vivid green · cool · closest name: olivedrab
RGB
85, 111, 33
HSL
80°, 54%, 28%
CMYK
23, 0, 70, 57
Luminance
0.1341
Every format
| HEX | #556f21 |
| RGB | rgb(85, 111, 33) |
| HSL | hsl(80, 54%, 28%) |
| CMYK | cmyk(23%, 0%, 70%, 57%) |
| LAB | lab(43.4 -22.2 38.7) |
| LCH | lch(43.4 44.6 119.9) |
| OKLCH | oklch(0.504 0.108 126.0) |
Copy-ready code
/* CSS */
color: #556f21;
background-color: #556f21;
/* Tailwind (arbitrary) */
class="text-[#556f21] bg-[#556f21]"
/* SCSS */
$brand: #556f21;
/* SwiftUI */
Color(red: 0.333, green: 0.435, blue: 0.129)
/* Android */
Color.parseColor("#556f21")Accessibility — WCAG contrast
Aa
#556f21 on white: 5.70:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#556f21 on black: 3.68:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red33.3%
Green43.5%
Blue12.9%
CMYK percentages
Cyan23.4%
Magenta0.0%
Yellow70.3%
Key (black)56.5%
Color previews
#556f21 text on a black background
contrast 3.68:1
Card sample
#556f21 text on a white background
contrast 5.70:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #556f21;
Background color
Panel with #556f21 background
background-color: #556f21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #556f21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(85, 111, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(85, 111, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #556f21; background: linear-gradient(135deg, #556f21, #216F21);