#40cc00
a dark, electric green · cool · closest name: lime
RGB
64, 204, 0
HSL
101°, 100%, 40%
CMYK
69, 0, 100, 20
Luminance
0.4428
Every format
| HEX | #40cc00 |
| RGB | rgb(64, 204, 0) |
| HSL | hsl(101, 100%, 40%) |
| CMYK | cmyk(69%, 0%, 100%, 20%) |
| LAB | lab(72.4 -66.3 71.2) |
| LCH | lch(72.4 97.3 133.0) |
| OKLCH | oklch(0.741 0.238 140.0) |
Copy-ready code
/* CSS */
color: #40cc00;
background-color: #40cc00;
/* Tailwind (arbitrary) */
class="text-[#40cc00] bg-[#40cc00]"
/* SCSS */
$brand: #40cc00;
/* SwiftUI */
Color(red: 0.251, green: 0.800, blue: 0.000)
/* Android */
Color.parseColor("#40cc00")Accessibility — WCAG contrast
Aa
#40cc00 on white: 2.13:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40cc00 on black: 9.86:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green80.0%
Blue0.0%
CMYK percentages
Cyan68.6%
Magenta0.0%
Yellow100.0%
Key (black)20.0%
Color previews
#40cc00 text on a black background
contrast 9.86:1
Card sample
#40cc00 text on a white background
contrast 2.13:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40cc00;
Background color
Panel with #40cc00 background
background-color: #40cc00;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40cc00;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 204, 0, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 204, 0, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40cc00; background: linear-gradient(135deg, #40cc00, #00CC48);