#3fd521
a balanced, vivid green · cool · closest name: lime
RGB
63, 213, 33
HSL
110°, 73%, 48%
CMYK
70, 0, 85, 17
Luminance
0.4876
Every format
| HEX | #3fd521 |
| RGB | rgb(63, 213, 33) |
| HSL | hsl(110, 73%, 48%) |
| CMYK | cmyk(70%, 0%, 85%, 17%) |
| LAB | lab(75.3 -68.5 68.8) |
| LCH | lch(75.3 97.0 134.9) |
| OKLCH | oklch(0.765 0.241 141.1) |
Copy-ready code
/* CSS */
color: #3fd521;
background-color: #3fd521;
/* Tailwind (arbitrary) */
class="text-[#3fd521] bg-[#3fd521]"
/* SCSS */
$brand: #3fd521;
/* SwiftUI */
Color(red: 0.247, green: 0.835, blue: 0.129)
/* Android */
Color.parseColor("#3fd521")Accessibility — WCAG contrast
Aa
#3fd521 on white: 1.95:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#3fd521 on black: 10.75:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green83.5%
Blue12.9%
CMYK percentages
Cyan70.4%
Magenta0.0%
Yellow84.5%
Key (black)16.5%
Color previews
#3fd521 text on a black background
contrast 10.75:1
Card sample
#3fd521 text on a white background
contrast 1.95:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3fd521;
Background color
Panel with #3fd521 background
background-color: #3fd521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3fd521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 213, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 213, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3fd521; background: linear-gradient(135deg, #3fd521, #21D57B);