#516d21
a dark, vivid green · cool · closest name: olivedrab
RGB
81, 109, 33
HSL
82°, 54%, 28%
CMYK
26, 0, 70, 57
Luminance
0.1280
Every format
| HEX | #516d21 |
| RGB | rgb(81, 109, 33) |
| HSL | hsl(82, 54%, 28%) |
| CMYK | cmyk(26%, 0%, 70%, 57%) |
| LAB | lab(42.5 -22.9 37.6) |
| LCH | lch(42.5 44.1 121.3) |
| OKLCH | oklch(0.496 0.108 127.3) |
Copy-ready code
/* CSS */
color: #516d21;
background-color: #516d21;
/* Tailwind (arbitrary) */
class="text-[#516d21] bg-[#516d21]"
/* SCSS */
$brand: #516d21;
/* SwiftUI */
Color(red: 0.318, green: 0.427, blue: 0.129)
/* Android */
Color.parseColor("#516d21")Accessibility — WCAG contrast
Aa
#516d21 on white: 5.90:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#516d21 on black: 3.56:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green42.7%
Blue12.9%
CMYK percentages
Cyan25.7%
Magenta0.0%
Yellow69.7%
Key (black)57.3%
Color previews
#516d21 text on a black background
contrast 3.56:1
Card sample
#516d21 text on a white background
contrast 5.90:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #516d21;
Background color
Panel with #516d21 background
background-color: #516d21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #516d21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 109, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 109, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #516d21; background: linear-gradient(135deg, #516d21, #216D24);