#40df0b
a balanced, electric green · cool · closest name: lime
RGB
64, 223, 11
HSL
105°, 91%, 46%
CMYK
71, 0, 95, 13
Luminance
0.5389
Every format
| HEX | #40df0b |
| RGB | rgb(64, 223, 11) |
| HSL | hsl(105, 91%, 46%) |
| CMYK | cmyk(71%, 0%, 95%, 13%) |
| LAB | lab(78.4 -72.0 75.0) |
| LCH | lch(78.4 103.9 133.8) |
| OKLCH | oklch(0.790 0.255 140.6) |
Copy-ready code
/* CSS */
color: #40df0b;
background-color: #40df0b;
/* Tailwind (arbitrary) */
class="text-[#40df0b] bg-[#40df0b]"
/* SCSS */
$brand: #40df0b;
/* SwiftUI */
Color(red: 0.251, green: 0.875, blue: 0.043)
/* Android */
Color.parseColor("#40df0b")Accessibility — WCAG contrast
Aa
#40df0b on white: 1.78:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40df0b on black: 11.78:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green87.5%
Blue4.3%
CMYK percentages
Cyan71.3%
Magenta0.0%
Yellow95.1%
Key (black)12.5%
Color previews
#40df0b text on a black background
contrast 11.78:1
Card sample
#40df0b text on a white background
contrast 1.78:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40df0b;
Background color
Panel with #40df0b background
background-color: #40df0b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40df0b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 223, 11, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 223, 11, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40df0b; background: linear-gradient(135deg, #40df0b, #0BDF63);