#21cf39
a balanced, vivid green · cool · closest name: lime
RGB
33, 207, 57
HSL
128°, 73%, 47%
CMYK
84, 0, 73, 19
Luminance
0.4524
Every format
| HEX | #21cf39 |
| RGB | rgb(33, 207, 57) |
| HSL | hsl(128, 73%, 47%) |
| CMYK | cmyk(84%, 0%, 73%, 19%) |
| LAB | lab(73.0 -69.2 59.4) |
| LCH | lch(73.0 91.2 139.4) |
| OKLCH | oklch(0.745 0.231 144.2) |
Copy-ready code
/* CSS */
color: #21cf39;
background-color: #21cf39;
/* Tailwind (arbitrary) */
class="text-[#21cf39] bg-[#21cf39]"
/* SCSS */
$brand: #21cf39;
/* SwiftUI */
Color(red: 0.129, green: 0.812, blue: 0.224)
/* Android */
Color.parseColor("#21cf39")Accessibility — WCAG contrast
Aa
#21cf39 on white: 2.09:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21cf39 on black: 10.05:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green81.2%
Blue22.4%
CMYK percentages
Cyan84.1%
Magenta0.0%
Yellow72.5%
Key (black)18.8%
Color previews
#21cf39 text on a black background
contrast 10.05:1
Card sample
#21cf39 text on a white background
contrast 2.09:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21cf39;
Background color
Panel with #21cf39 background
background-color: #21cf39;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21cf39;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 207, 57, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 207, 57, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21cf39; background: linear-gradient(135deg, #21cf39, #21CFAD);