#516e21
a dark, vivid green · cool · closest name: olivedrab
RGB
81, 110, 33
HSL
83°, 54%, 28%
CMYK
26, 0, 70, 57
Luminance
0.1301
Every format
| HEX | #516e21 |
| RGB | rgb(81, 110, 33) |
| HSL | hsl(83, 54%, 28%) |
| CMYK | cmyk(26%, 0%, 70%, 57%) |
| LAB | lab(42.8 -23.4 38.0) |
| LCH | lch(42.8 44.6 121.7) |
| OKLCH | oklch(0.499 0.109 127.7) |
Copy-ready code
/* CSS */
color: #516e21;
background-color: #516e21;
/* Tailwind (arbitrary) */
class="text-[#516e21] bg-[#516e21]"
/* SCSS */
$brand: #516e21;
/* SwiftUI */
Color(red: 0.318, green: 0.431, blue: 0.129)
/* Android */
Color.parseColor("#516e21")Accessibility — WCAG contrast
Aa
#516e21 on white: 5.83:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#516e21 on black: 3.60:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green43.1%
Blue12.9%
CMYK percentages
Cyan26.4%
Magenta0.0%
Yellow70.0%
Key (black)56.9%
Color previews
#516e21 text on a black background
contrast 3.60:1
Card sample
#516e21 text on a white background
contrast 5.83:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #516e21;
Background color
Panel with #516e21 background
background-color: #516e21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #516e21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 110, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 110, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #516e21; background: linear-gradient(135deg, #516e21, #216E24);