#4efc21
a balanced, electric green · cool · closest name: lime
RGB
78, 252, 33
HSL
108°, 97%, 56%
CMYK
69, 0, 87, 1
Luminance
0.7135
Every format
| HEX | #4efc21 |
| RGB | rgb(78, 252, 33) |
| HSL | hsl(108, 97%, 56%) |
| CMYK | cmyk(69%, 0%, 87%, 1%) |
| LAB | lab(87.7 -77.7 79.7) |
| LCH | lch(87.7 111.3 134.3) |
| OKLCH | oklch(0.868 0.275 140.7) |
Copy-ready code
/* CSS */
color: #4efc21;
background-color: #4efc21;
/* Tailwind (arbitrary) */
class="text-[#4efc21] bg-[#4efc21]"
/* SCSS */
$brand: #4efc21;
/* SwiftUI */
Color(red: 0.306, green: 0.988, blue: 0.129)
/* Android */
Color.parseColor("#4efc21")Accessibility — WCAG contrast
Aa
#4efc21 on white: 1.38:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#4efc21 on black: 15.27:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red30.6%
Green98.8%
Blue12.9%
CMYK percentages
Cyan69.0%
Magenta0.0%
Yellow86.9%
Key (black)1.2%
Color previews
#4efc21 text on a black background
contrast 15.27:1
Card sample
#4efc21 text on a white background
contrast 1.38:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4efc21;
Background color
Panel with #4efc21 background
background-color: #4efc21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4efc21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(78, 252, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(78, 252, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4efc21; background: linear-gradient(135deg, #4efc21, #21FC86);