#3fda21
a balanced, vivid green · cool · closest name: lime
RGB
63, 218, 33
HSL
110°, 74%, 49%
CMYK
71, 0, 85, 15
Luminance
0.5131
Every format
| HEX | #3fda21 |
| RGB | rgb(63, 218, 33) |
| HSL | hsl(110, 74%, 49%) |
| CMYK | cmyk(71%, 0%, 85%, 15%) |
| LAB | lab(76.9 -70.0 70.2) |
| LCH | lch(76.9 99.1 134.9) |
| OKLCH | oklch(0.778 0.246 141.1) |
Copy-ready code
/* CSS */
color: #3fda21;
background-color: #3fda21;
/* Tailwind (arbitrary) */
class="text-[#3fda21] bg-[#3fda21]"
/* SCSS */
$brand: #3fda21;
/* SwiftUI */
Color(red: 0.247, green: 0.855, blue: 0.129)
/* Android */
Color.parseColor("#3fda21")Accessibility — WCAG contrast
Aa
#3fda21 on white: 1.86:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#3fda21 on black: 11.26:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green85.5%
Blue12.9%
CMYK percentages
Cyan71.1%
Magenta0.0%
Yellow84.9%
Key (black)14.5%
Color previews
#3fda21 text on a black background
contrast 11.26:1
Card sample
#3fda21 text on a white background
contrast 1.86:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3fda21;
Background color
Panel with #3fda21 background
background-color: #3fda21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3fda21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 218, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 218, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3fda21; background: linear-gradient(135deg, #3fda21, #21DA7E);