#01ff39
a balanced, electric green · cool · closest name: lime
RGB
1, 255, 57
HSL
133°, 100%, 50%
CMYK
100, 0, 78, 0
Luminance
0.7182
Every format
| HEX | #01ff39 |
| RGB | rgb(1, 255, 57) |
| HSL | hsl(133, 100%, 50%) |
| CMYK | cmyk(100%, 0%, 78%, 0%) |
| LAB | lab(87.9 -84.3 74.0) |
| LCH | lch(87.9 112.2 138.7) |
| OKLCH | oklch(0.868 0.281 144.0) |
Copy-ready code
/* CSS */
color: #01ff39;
background-color: #01ff39;
/* Tailwind (arbitrary) */
class="text-[#01ff39] bg-[#01ff39]"
/* SCSS */
$brand: #01ff39;
/* SwiftUI */
Color(red: 0.004, green: 1.000, blue: 0.224)
/* Android */
Color.parseColor("#01ff39")Accessibility — WCAG contrast
Aa
#01ff39 on white: 1.37:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#01ff39 on black: 15.36:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.4%
Green100.0%
Blue22.4%
CMYK percentages
Cyan99.6%
Magenta0.0%
Yellow77.6%
Key (black)0.0%
Color previews
#01ff39 text on a black background
contrast 15.36:1
Card sample
#01ff39 text on a white background
contrast 1.37:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #01ff39;
Background color
Panel with #01ff39 background
background-color: #01ff39;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #01ff39;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(1, 255, 57, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(1, 255, 57, 0.45);
Border & gradient
Gradient panel
border: 3px solid #01ff39; background: linear-gradient(135deg, #01ff39, #01FFE2);