#81c521
a balanced, vivid green · cool · closest name: olivedrab
RGB
129, 197, 33
HSL
85°, 71%, 45%
CMYK
35, 0, 83, 23
Luminance
0.4471
Every format
| HEX | #81c521 |
| RGB | rgb(129, 197, 33) |
| HSL | hsl(85, 71%, 45%) |
| CMYK | cmyk(35%, 0%, 83%, 23%) |
| LAB | lab(72.7 -44.6 67.4) |
| LCH | lch(72.7 80.8 123.5) |
| OKLCH | oklch(0.750 0.194 130.8) |
Copy-ready code
/* CSS */
color: #81c521;
background-color: #81c521;
/* Tailwind (arbitrary) */
class="text-[#81c521] bg-[#81c521]"
/* SCSS */
$brand: #81c521;
/* SwiftUI */
Color(red: 0.506, green: 0.773, blue: 0.129)
/* Android */
Color.parseColor("#81c521")Accessibility — WCAG contrast
Aa
#81c521 on white: 2.11:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#81c521 on black: 9.94:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red50.6%
Green77.3%
Blue12.9%
CMYK percentages
Cyan34.5%
Magenta0.0%
Yellow83.2%
Key (black)22.7%
Color previews
#81c521 text on a black background
contrast 9.94:1
Card sample
#81c521 text on a white background
contrast 2.11:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #81c521;
Background color
Panel with #81c521 background
background-color: #81c521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #81c521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(129, 197, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(129, 197, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #81c521; background: linear-gradient(135deg, #81c521, #21C52E);