#37fd21
a balanced, electric green · cool · closest name: lime
RGB
55, 253, 33
HSL
114°, 98%, 56%
CMYK
78, 0, 87, 1
Luminance
0.7117
Every format
| HEX | #37fd21 |
| RGB | rgb(55, 253, 33) |
| HSL | hsl(114, 98%, 56%) |
| CMYK | cmyk(78%, 0%, 87%, 1%) |
| LAB | lab(87.6 -81.4 79.5) |
| LCH | lch(87.6 113.8 135.7) |
| OKLCH | oklch(0.866 0.282 141.9) |
Copy-ready code
/* CSS */
color: #37fd21;
background-color: #37fd21;
/* Tailwind (arbitrary) */
class="text-[#37fd21] bg-[#37fd21]"
/* SCSS */
$brand: #37fd21;
/* SwiftUI */
Color(red: 0.216, green: 0.992, blue: 0.129)
/* Android */
Color.parseColor("#37fd21")Accessibility — WCAG contrast
Aa
#37fd21 on white: 1.38:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#37fd21 on black: 15.23:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green99.2%
Blue12.9%
CMYK percentages
Cyan78.3%
Magenta0.0%
Yellow87.0%
Key (black)0.8%
Color previews
#37fd21 text on a black background
contrast 15.23:1
Card sample
#37fd21 text on a white background
contrast 1.38:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #37fd21;
Background color
Panel with #37fd21 background
background-color: #37fd21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #37fd21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 253, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 253, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #37fd21; background: linear-gradient(135deg, #37fd21, #21FD9E);