#3fdc21
a balanced, vivid green · cool · closest name: lime
RGB
63, 220, 33
HSL
110°, 74%, 50%
CMYK
71, 0, 85, 14
Luminance
0.5235
Every format
| HEX | #3fdc21 |
| RGB | rgb(63, 220, 33) |
| HSL | hsl(110, 74%, 50%) |
| CMYK | cmyk(71%, 0%, 85%, 14%) |
| LAB | lab(77.5 -70.6 70.7) |
| LCH | lch(77.5 100.0 134.9) |
| OKLCH | oklch(0.783 0.248 141.2) |
Copy-ready code
/* CSS */
color: #3fdc21;
background-color: #3fdc21;
/* Tailwind (arbitrary) */
class="text-[#3fdc21] bg-[#3fdc21]"
/* SCSS */
$brand: #3fdc21;
/* SwiftUI */
Color(red: 0.247, green: 0.863, blue: 0.129)
/* Android */
Color.parseColor("#3fdc21")Accessibility — WCAG contrast
Aa
#3fdc21 on white: 1.83:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#3fdc21 on black: 11.47:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green86.3%
Blue12.9%
CMYK percentages
Cyan71.4%
Magenta0.0%
Yellow85.0%
Key (black)13.7%
Color previews
#3fdc21 text on a black background
contrast 11.47:1
Card sample
#3fdc21 text on a white background
contrast 1.83:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3fdc21;
Background color
Panel with #3fdc21 background
background-color: #3fdc21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3fdc21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 220, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 220, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3fdc21; background: linear-gradient(135deg, #3fdc21, #21DC80);