#81b921
a dark, vivid green · cool · closest name: olivedrab
RGB
129, 185, 33
HSL
82°, 70%, 43%
CMYK
30, 0, 82, 28
Luminance
0.3947
Every format
| HEX | #81b921 |
| RGB | rgb(129, 185, 33) |
| HSL | hsl(82, 70%, 43%) |
| CMYK | cmyk(30%, 0%, 82%, 28%) |
| LAB | lab(69.1 -39.4 64.2) |
| LCH | lch(69.1 75.3 121.6) |
| OKLCH | oklch(0.720 0.180 128.9) |
Copy-ready code
/* CSS */
color: #81b921;
background-color: #81b921;
/* Tailwind (arbitrary) */
class="text-[#81b921] bg-[#81b921]"
/* SCSS */
$brand: #81b921;
/* SwiftUI */
Color(red: 0.506, green: 0.725, blue: 0.129)
/* Android */
Color.parseColor("#81b921")Accessibility — WCAG contrast
Aa
#81b921 on white: 2.36:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#81b921 on black: 8.89:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red50.6%
Green72.5%
Blue12.9%
CMYK percentages
Cyan30.3%
Magenta0.0%
Yellow82.2%
Key (black)27.5%
Color previews
#81b921 text on a black background
contrast 8.89:1
Card sample
#81b921 text on a white background
contrast 2.36:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #81b921;
Background color
Panel with #81b921 background
background-color: #81b921;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #81b921;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(129, 185, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(129, 185, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #81b921; background: linear-gradient(135deg, #81b921, #21B926);