#3ff521
a balanced, electric green · cool · closest name: lime
RGB
63, 245, 33
HSL
112°, 91%, 55%
CMYK
74, 0, 87, 4
Luminance
0.6647
Every format
| HEX | #3ff521 |
| RGB | rgb(63, 245, 33) |
| HSL | hsl(112, 91%, 55%) |
| CMYK | cmyk(74%, 0%, 87%, 4%) |
| LAB | lab(85.2 -78.1 77.5) |
| LCH | lch(85.2 110.0 135.2) |
| OKLCH | oklch(0.847 0.272 141.5) |
Copy-ready code
/* CSS */
color: #3ff521;
background-color: #3ff521;
/* Tailwind (arbitrary) */
class="text-[#3ff521] bg-[#3ff521]"
/* SCSS */
$brand: #3ff521;
/* SwiftUI */
Color(red: 0.247, green: 0.961, blue: 0.129)
/* Android */
Color.parseColor("#3ff521")Accessibility — WCAG contrast
Aa
#3ff521 on white: 1.47:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#3ff521 on black: 14.29:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green96.1%
Blue12.9%
CMYK percentages
Cyan74.3%
Magenta0.0%
Yellow86.5%
Key (black)3.9%
Color previews
#3ff521 text on a black background
contrast 14.29:1
Card sample
#3ff521 text on a white background
contrast 1.47:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3ff521;
Background color
Panel with #3ff521 background
background-color: #3ff521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3ff521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 245, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 245, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3ff521; background: linear-gradient(135deg, #3ff521, #21F590);