#21b721
a dark, vivid green · cool · closest name: green
RGB
33, 183, 33
HSL
120°, 69%, 42%
CMYK
82, 0, 82, 28
Luminance
0.3430
Every format
| HEX | #21b721 |
| RGB | rgb(33, 183, 33) |
| HSL | hsl(120, 69%, 42%) |
| CMYK | cmyk(82%, 0%, 82%, 28%) |
| LAB | lab(65.2 -63.8 59.4) |
| LCH | lch(65.2 87.2 137.0) |
| OKLCH | oklch(0.679 0.217 142.7) |
Copy-ready code
/* CSS */
color: #21b721;
background-color: #21b721;
/* Tailwind (arbitrary) */
class="text-[#21b721] bg-[#21b721]"
/* SCSS */
$brand: #21b721;
/* SwiftUI */
Color(red: 0.129, green: 0.718, blue: 0.129)
/* Android */
Color.parseColor("#21b721")Accessibility — WCAG contrast
Aa
#21b721 on white: 2.67:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21b721 on black: 7.86:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green71.8%
Blue12.9%
CMYK percentages
Cyan82.0%
Magenta0.0%
Yellow82.0%
Key (black)28.2%
Color previews
#21b721 text on a black background
contrast 7.86:1
Card sample
#21b721 text on a white background
contrast 2.67:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21b721;
Background color
Panel with #21b721 background
background-color: #21b721;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21b721;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 183, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 183, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21b721; background: linear-gradient(135deg, #21b721, #21B785);