#4df101
a balanced, electric green · cool · closest name: lime
RGB
77, 241, 1
HSL
101°, 99%, 48%
CMYK
68, 0, 100, 6
Luminance
0.6449
Every format
| HEX | #4df101 |
| RGB | rgb(77, 241, 1) |
| HSL | hsl(101, 99%, 48%) |
| CMYK | cmyk(68%, 0%, 100%, 6%) |
| LAB | lab(84.2 -75.2 80.6) |
| LCH | lch(84.2 110.3 133.0) |
| OKLCH | oklch(0.839 0.270 140.0) |
Copy-ready code
/* CSS */
color: #4df101;
background-color: #4df101;
/* Tailwind (arbitrary) */
class="text-[#4df101] bg-[#4df101]"
/* SCSS */
$brand: #4df101;
/* SwiftUI */
Color(red: 0.302, green: 0.945, blue: 0.004)
/* Android */
Color.parseColor("#4df101")Accessibility — WCAG contrast
Aa
#4df101 on white: 1.51:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#4df101 on black: 13.90:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red30.2%
Green94.5%
Blue0.4%
CMYK percentages
Cyan68.0%
Magenta0.0%
Yellow99.6%
Key (black)5.5%
Color previews
#4df101 text on a black background
contrast 13.90:1
Card sample
#4df101 text on a white background
contrast 1.51:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4df101;
Background color
Panel with #4df101 background
background-color: #4df101;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4df101;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(77, 241, 1, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(77, 241, 1, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4df101; background: linear-gradient(135deg, #4df101, #01F155);