#81f521
a balanced, electric green · cool · closest name: lime
RGB
129, 245, 33
HSL
93°, 91%, 55%
CMYK
47, 0, 87, 4
Luminance
0.7008
Every format
| HEX | #81f521 |
| RGB | rgb(129, 245, 33) |
| HSL | hsl(93, 91%, 55%) |
| CMYK | cmyk(47%, 0%, 87%, 4%) |
| LAB | lab(87.0 -63.3 79.8) |
| LCH | lch(87.0 101.9 128.4) |
| OKLCH | oklch(0.867 0.248 135.6) |
Copy-ready code
/* CSS */
color: #81f521;
background-color: #81f521;
/* Tailwind (arbitrary) */
class="text-[#81f521] bg-[#81f521]"
/* SCSS */
$brand: #81f521;
/* SwiftUI */
Color(red: 0.506, green: 0.961, blue: 0.129)
/* Android */
Color.parseColor("#81f521")Accessibility — WCAG contrast
Aa
#81f521 on white: 1.40:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#81f521 on black: 15.02:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red50.6%
Green96.1%
Blue12.9%
CMYK percentages
Cyan47.3%
Magenta0.0%
Yellow86.5%
Key (black)3.9%
Color previews
#81f521 text on a black background
contrast 15.02:1
Card sample
#81f521 text on a white background
contrast 1.40:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #81f521;
Background color
Panel with #81f521 background
background-color: #81f521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #81f521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(129, 245, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(129, 245, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #81f521; background: linear-gradient(135deg, #81f521, #21F54E);