#3fdf40
a balanced, vivid green · cool · closest name: lime
RGB
63, 223, 64
HSL
120°, 71%, 56%
CMYK
72, 0, 71, 13
Luminance
0.5420
Every format
| HEX | #3fdf40 |
| RGB | rgb(63, 223, 64) |
| HSL | hsl(120, 71%, 56%) |
| CMYK | cmyk(72%, 0%, 71%, 13%) |
| LAB | lab(78.6 -69.7 62.7) |
| LCH | lch(78.6 93.7 138.0) |
| OKLCH | oklch(0.792 0.237 143.0) |
Copy-ready code
/* CSS */
color: #3fdf40;
background-color: #3fdf40;
/* Tailwind (arbitrary) */
class="text-[#3fdf40] bg-[#3fdf40]"
/* SCSS */
$brand: #3fdf40;
/* SwiftUI */
Color(red: 0.247, green: 0.875, blue: 0.251)
/* Android */
Color.parseColor("#3fdf40")Accessibility — WCAG contrast
Aa
#3fdf40 on white: 1.77:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#3fdf40 on black: 11.84:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green87.5%
Blue25.1%
CMYK percentages
Cyan71.7%
Magenta0.0%
Yellow71.3%
Key (black)12.5%
Color previews
#3fdf40 text on a black background
contrast 11.84:1
Card sample
#3fdf40 text on a white background
contrast 1.77:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3fdf40;
Background color
Panel with #3fdf40 background
background-color: #3fdf40;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3fdf40;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 223, 64, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 223, 64, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3fdf40; background: linear-gradient(135deg, #3fdf40, #3FDFAB);