#4efe21
a balanced, electric green · cool · closest name: lime
RGB
78, 254, 33
HSL
108°, 99%, 56%
CMYK
69, 0, 87, 0
Luminance
0.7261
Every format
| HEX | #4efe21 |
| RGB | rgb(78, 254, 33) |
| HSL | hsl(108, 99%, 56%) |
| CMYK | cmyk(69%, 0%, 87%, 0%) |
| LAB | lab(88.3 -78.3 80.3) |
| LCH | lch(88.3 112.1 134.3) |
| OKLCH | oklch(0.873 0.277 140.7) |
Copy-ready code
/* CSS */
color: #4efe21;
background-color: #4efe21;
/* Tailwind (arbitrary) */
class="text-[#4efe21] bg-[#4efe21]"
/* SCSS */
$brand: #4efe21;
/* SwiftUI */
Color(red: 0.306, green: 0.996, blue: 0.129)
/* Android */
Color.parseColor("#4efe21")Accessibility — WCAG contrast
Aa
#4efe21 on white: 1.35:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#4efe21 on black: 15.52:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red30.6%
Green99.6%
Blue12.9%
CMYK percentages
Cyan69.3%
Magenta0.0%
Yellow87.0%
Key (black)0.4%
Color previews
#4efe21 text on a black background
contrast 15.52:1
Card sample
#4efe21 text on a white background
contrast 1.35:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4efe21;
Background color
Panel with #4efe21 background
background-color: #4efe21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4efe21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(78, 254, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(78, 254, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4efe21; background: linear-gradient(135deg, #4efe21, #21FE87);