#40df18
a balanced, electric green · cool · closest name: lime
RGB
64, 223, 24
HSL
108°, 81%, 48%
CMYK
71, 0, 89, 13
Luminance
0.5393
Every format
| HEX | #40df18 |
| RGB | rgb(64, 223, 24) |
| HSL | hsl(108, 81%, 48%) |
| CMYK | cmyk(71%, 0%, 89%, 13%) |
| LAB | lab(78.4 -71.7 73.3) |
| LCH | lch(78.4 102.5 134.4) |
| OKLCH | oklch(0.791 0.253 140.9) |
Copy-ready code
/* CSS */
color: #40df18;
background-color: #40df18;
/* Tailwind (arbitrary) */
class="text-[#40df18] bg-[#40df18]"
/* SCSS */
$brand: #40df18;
/* SwiftUI */
Color(red: 0.251, green: 0.875, blue: 0.094)
/* Android */
Color.parseColor("#40df18")Accessibility — WCAG contrast
Aa
#40df18 on white: 1.78:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40df18 on black: 11.79:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green87.5%
Blue9.4%
CMYK percentages
Cyan71.3%
Magenta0.0%
Yellow89.2%
Key (black)12.5%
Color previews
#40df18 text on a black background
contrast 11.79:1
Card sample
#40df18 text on a white background
contrast 1.78:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40df18;
Background color
Panel with #40df18 background
background-color: #40df18;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40df18;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 223, 24, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 223, 24, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40df18; background: linear-gradient(135deg, #40df18, #18DF74);