#40d921
a balanced, vivid green · cool · closest name: lime
RGB
64, 217, 33
HSL
110°, 74%, 49%
CMYK
71, 0, 85, 15
Luminance
0.5083
Every format
| HEX | #40d921 |
| RGB | rgb(64, 217, 33) |
| HSL | hsl(110, 74%, 49%) |
| CMYK | cmyk(71%, 0%, 85%, 15%) |
| LAB | lab(76.6 -69.5 69.9) |
| LCH | lch(76.6 98.6 134.8) |
| OKLCH | oklch(0.775 0.244 141.1) |
Copy-ready code
/* CSS */
color: #40d921;
background-color: #40d921;
/* Tailwind (arbitrary) */
class="text-[#40d921] bg-[#40d921]"
/* SCSS */
$brand: #40d921;
/* SwiftUI */
Color(red: 0.251, green: 0.851, blue: 0.129)
/* Android */
Color.parseColor("#40d921")Accessibility — WCAG contrast
Aa
#40d921 on white: 1.88:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40d921 on black: 11.17:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green85.1%
Blue12.9%
CMYK percentages
Cyan70.5%
Magenta0.0%
Yellow84.8%
Key (black)14.9%
Color previews
#40d921 text on a black background
contrast 11.17:1
Card sample
#40d921 text on a white background
contrast 1.88:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40d921;
Background color
Panel with #40d921 background
background-color: #40d921;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40d921;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 217, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 217, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40d921; background: linear-gradient(135deg, #40d921, #21D97D);