#516c21
a dark, vivid green · cool · closest name: olivedrab
RGB
81, 108, 33
HSL
82°, 53%, 28%
CMYK
25, 0, 69, 58
Luminance
0.1258
Every format
| HEX | #516c21 |
| RGB | rgb(81, 108, 33) |
| HSL | hsl(82, 53%, 28%) |
| CMYK | cmyk(25%, 0%, 69%, 58%) |
| LAB | lab(42.1 -22.4 37.3) |
| LCH | lch(42.1 43.5 121.0) |
| OKLCH | oklch(0.493 0.106 127.0) |
Copy-ready code
/* CSS */
color: #516c21;
background-color: #516c21;
/* Tailwind (arbitrary) */
class="text-[#516c21] bg-[#516c21]"
/* SCSS */
$brand: #516c21;
/* SwiftUI */
Color(red: 0.318, green: 0.424, blue: 0.129)
/* Android */
Color.parseColor("#516c21")Accessibility — WCAG contrast
Aa
#516c21 on white: 5.97:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#516c21 on black: 3.52:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green42.4%
Blue12.9%
CMYK percentages
Cyan25.0%
Magenta0.0%
Yellow69.4%
Key (black)57.6%
Color previews
#516c21 text on a black background
contrast 3.52:1
Card sample
#516c21 text on a white background
contrast 5.97:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #516c21;
Background color
Panel with #516c21 background
background-color: #516c21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #516c21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 108, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 108, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #516c21; background: linear-gradient(135deg, #516c21, #216C23);