#81e721
a balanced, electric green · cool · closest name: lime
RGB
129, 231, 33
HSL
91°, 81%, 52%
CMYK
44, 0, 86, 9
Luminance
0.6193
Every format
| HEX | #81e721 |
| RGB | rgb(129, 231, 33) |
| HSL | hsl(91, 81%, 52%) |
| CMYK | cmyk(44%, 0%, 86%, 9%) |
| LAB | lab(82.9 -58.1 76.2) |
| LCH | lch(82.9 95.9 127.3) |
| OKLCH | oklch(0.833 0.233 134.6) |
Copy-ready code
/* CSS */
color: #81e721;
background-color: #81e721;
/* Tailwind (arbitrary) */
class="text-[#81e721] bg-[#81e721]"
/* SCSS */
$brand: #81e721;
/* SwiftUI */
Color(red: 0.506, green: 0.906, blue: 0.129)
/* Android */
Color.parseColor("#81e721")Accessibility — WCAG contrast
Aa
#81e721 on white: 1.57:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#81e721 on black: 13.39:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red50.6%
Green90.6%
Blue12.9%
CMYK percentages
Cyan44.2%
Magenta0.0%
Yellow85.7%
Key (black)9.4%
Color previews
#81e721 text on a black background
contrast 13.39:1
Card sample
#81e721 text on a white background
contrast 1.57:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #81e721;
Background color
Panel with #81e721 background
background-color: #81e721;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #81e721;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(129, 231, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(129, 231, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #81e721; background: linear-gradient(135deg, #81e721, #21E745);