#21b521
a dark, vivid green · cool · closest name: green
RGB
33, 181, 33
HSL
120°, 69%, 42%
CMYK
82, 0, 82, 29
Luminance
0.3348
Every format
| HEX | #21b521 |
| RGB | rgb(33, 181, 33) |
| HSL | hsl(120, 69%, 42%) |
| CMYK | cmyk(82%, 0%, 82%, 29%) |
| LAB | lab(64.5 -63.1 58.8) |
| LCH | lch(64.5 86.3 137.0) |
| OKLCH | oklch(0.674 0.215 142.7) |
Copy-ready code
/* CSS */
color: #21b521;
background-color: #21b521;
/* Tailwind (arbitrary) */
class="text-[#21b521] bg-[#21b521]"
/* SCSS */
$brand: #21b521;
/* SwiftUI */
Color(red: 0.129, green: 0.710, blue: 0.129)
/* Android */
Color.parseColor("#21b521")Accessibility — WCAG contrast
Aa
#21b521 on white: 2.73:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21b521 on black: 7.70:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green71.0%
Blue12.9%
CMYK percentages
Cyan81.8%
Magenta0.0%
Yellow81.8%
Key (black)29.0%
Color previews
#21b521 text on a black background
contrast 7.70:1
Card sample
#21b521 text on a white background
contrast 2.73:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21b521;
Background color
Panel with #21b521 background
background-color: #21b521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21b521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 181, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 181, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21b521; background: linear-gradient(135deg, #21b521, #21B584);