#40df40
a balanced, vivid green · cool · closest name: lime
RGB
64, 223, 64
HSL
120°, 71%, 56%
CMYK
71, 0, 71, 13
Luminance
0.5424
Every format
| HEX | #40df40 |
| RGB | rgb(64, 223, 64) |
| HSL | hsl(120, 71%, 56%) |
| CMYK | cmyk(71%, 0%, 71%, 13%) |
| LAB | lab(78.6 -69.5 62.7) |
| LCH | lch(78.6 93.6 137.9) |
| OKLCH | oklch(0.793 0.236 142.9) |
Copy-ready code
/* CSS */
color: #40df40;
background-color: #40df40;
/* Tailwind (arbitrary) */
class="text-[#40df40] bg-[#40df40]"
/* SCSS */
$brand: #40df40;
/* SwiftUI */
Color(red: 0.251, green: 0.875, blue: 0.251)
/* Android */
Color.parseColor("#40df40")Accessibility — WCAG contrast
Aa
#40df40 on white: 1.77:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40df40 on black: 11.85:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green87.5%
Blue25.1%
CMYK percentages
Cyan71.3%
Magenta0.0%
Yellow71.3%
Key (black)12.5%
Color previews
#40df40 text on a black background
contrast 11.85:1
Card sample
#40df40 text on a white background
contrast 1.77:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40df40;
Background color
Panel with #40df40 background
background-color: #40df40;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40df40;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 223, 64, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 223, 64, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40df40; background: linear-gradient(135deg, #40df40, #40DFAA);