#81ac00
a dark, electric green · cool · closest name: olivedrab
RGB
129, 172, 0
HSL
75°, 100%, 34%
CMYK
25, 0, 100, 33
Luminance
0.3417
Every format
| HEX | #81ac00 |
| RGB | rgb(129, 172, 0) |
| HSL | hsl(75, 100%, 34%) |
| CMYK | cmyk(25%, 0%, 100%, 33%) |
| LAB | lab(65.1 -34.4 66.6) |
| LCH | lch(65.1 75.0 117.3) |
| OKLCH | oklch(0.688 0.174 125.5) |
Copy-ready code
/* CSS */
color: #81ac00;
background-color: #81ac00;
/* Tailwind (arbitrary) */
class="text-[#81ac00] bg-[#81ac00]"
/* SCSS */
$brand: #81ac00;
/* SwiftUI */
Color(red: 0.506, green: 0.675, blue: 0.000)
/* Android */
Color.parseColor("#81ac00")Accessibility — WCAG contrast
Aa
#81ac00 on white: 2.68:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#81ac00 on black: 7.83:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red50.6%
Green67.5%
Blue0.0%
CMYK percentages
Cyan25.0%
Magenta0.0%
Yellow100.0%
Key (black)32.5%
Color previews
#81ac00 text on a black background
contrast 7.83:1
Card sample
#81ac00 text on a white background
contrast 2.68:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #81ac00;
Background color
Panel with #81ac00 background
background-color: #81ac00;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #81ac00;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(129, 172, 0, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(129, 172, 0, 0.45);
Border & gradient
Gradient panel
border: 3px solid #81ac00; background: linear-gradient(135deg, #81ac00, #0EAC00);