#4df308
a balanced, electric green · cool · closest name: lime
RGB
77, 243, 8
HSL
102°, 94%, 49%
CMYK
68, 0, 97, 5
Luminance
0.6570
Every format
| HEX | #4df308 |
| RGB | rgb(77, 243, 8) |
| HSL | hsl(102, 94%, 49%) |
| CMYK | cmyk(68%, 0%, 97%, 5%) |
| LAB | lab(84.8 -75.8 80.5) |
| LCH | lch(84.8 110.6 133.2) |
| OKLCH | oklch(0.845 0.271 140.1) |
Copy-ready code
/* CSS */
color: #4df308;
background-color: #4df308;
/* Tailwind (arbitrary) */
class="text-[#4df308] bg-[#4df308]"
/* SCSS */
$brand: #4df308;
/* SwiftUI */
Color(red: 0.302, green: 0.953, blue: 0.031)
/* Android */
Color.parseColor("#4df308")Accessibility — WCAG contrast
Aa
#4df308 on white: 1.49:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#4df308 on black: 14.14:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red30.2%
Green95.3%
Blue3.1%
CMYK percentages
Cyan68.3%
Magenta0.0%
Yellow96.7%
Key (black)4.7%
Color previews
#4df308 text on a black background
contrast 14.14:1
Card sample
#4df308 text on a white background
contrast 1.49:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4df308;
Background color
Panel with #4df308 background
background-color: #4df308;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4df308;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(77, 243, 8, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(77, 243, 8, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4df308; background: linear-gradient(135deg, #4df308, #08F360);