#37df40
a balanced, vivid green · cool · closest name: lime
RGB
55, 223, 64
HSL
123°, 72%, 55%
CMYK
75, 0, 71, 13
Luminance
0.5396
Every format
| HEX | #37df40 |
| RGB | rgb(55, 223, 64) |
| HSL | hsl(123, 72%, 55%) |
| CMYK | cmyk(75%, 0%, 71%, 13%) |
| LAB | lab(78.4 -70.9 62.5) |
| LCH | lch(78.4 94.5 138.6) |
| OKLCH | oklch(0.791 0.239 143.5) |
Copy-ready code
/* CSS */
color: #37df40;
background-color: #37df40;
/* Tailwind (arbitrary) */
class="text-[#37df40] bg-[#37df40]"
/* SCSS */
$brand: #37df40;
/* SwiftUI */
Color(red: 0.216, green: 0.875, blue: 0.251)
/* Android */
Color.parseColor("#37df40")Accessibility — WCAG contrast
Aa
#37df40 on white: 1.78:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#37df40 on black: 11.79:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green87.5%
Blue25.1%
CMYK percentages
Cyan75.3%
Magenta0.0%
Yellow71.3%
Key (black)12.5%
Color previews
#37df40 text on a black background
contrast 11.79:1
Card sample
#37df40 text on a white background
contrast 1.78:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #37df40;
Background color
Panel with #37df40 background
background-color: #37df40;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #37df40;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 223, 64, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 223, 64, 0.45);
Border & gradient
Gradient panel
border: 3px solid #37df40; background: linear-gradient(135deg, #37df40, #37DFB0);