#3fed21
a balanced, electric green · cool · closest name: lime
RGB
63, 237, 33
HSL
111°, 85%, 53%
CMYK
73, 0, 86, 7
Luminance
0.6173
Every format
| HEX | #3fed21 |
| RGB | rgb(63, 237, 33) |
| HSL | hsl(111, 85%, 53%) |
| CMYK | cmyk(73%, 0%, 86%, 7%) |
| LAB | lab(82.8 -75.7 75.4) |
| LCH | lch(82.8 106.8 135.1) |
| OKLCH | oklch(0.827 0.265 141.4) |
Copy-ready code
/* CSS */
color: #3fed21;
background-color: #3fed21;
/* Tailwind (arbitrary) */
class="text-[#3fed21] bg-[#3fed21]"
/* SCSS */
$brand: #3fed21;
/* SwiftUI */
Color(red: 0.247, green: 0.929, blue: 0.129)
/* Android */
Color.parseColor("#3fed21")Accessibility — WCAG contrast
Aa
#3fed21 on white: 1.57:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#3fed21 on black: 13.35:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green92.9%
Blue12.9%
CMYK percentages
Cyan73.4%
Magenta0.0%
Yellow86.1%
Key (black)7.1%
Color previews
#3fed21 text on a black background
contrast 13.35:1
Card sample
#3fed21 text on a white background
contrast 1.57:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3fed21;
Background color
Panel with #3fed21 background
background-color: #3fed21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3fed21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 237, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 237, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3fed21; background: linear-gradient(135deg, #3fed21, #21ED8B);