#21bb21
a dark, vivid green · cool · closest name: green
RGB
33, 187, 33
HSL
120°, 70%, 43%
CMYK
82, 0, 82, 27
Luminance
0.3597
Every format
| HEX | #21bb21 |
| RGB | rgb(33, 187, 33) |
| HSL | hsl(120, 70%, 43%) |
| CMYK | cmyk(82%, 0%, 82%, 27%) |
| LAB | lab(66.5 -64.9 60.6) |
| LCH | lch(66.5 88.8 137.0) |
| OKLCH | oklch(0.690 0.222 142.7) |
Copy-ready code
/* CSS */
color: #21bb21;
background-color: #21bb21;
/* Tailwind (arbitrary) */
class="text-[#21bb21] bg-[#21bb21]"
/* SCSS */
$brand: #21bb21;
/* SwiftUI */
Color(red: 0.129, green: 0.733, blue: 0.129)
/* Android */
Color.parseColor("#21bb21")Accessibility — WCAG contrast
Aa
#21bb21 on white: 2.56:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21bb21 on black: 8.19:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green73.3%
Blue12.9%
CMYK percentages
Cyan82.4%
Magenta0.0%
Yellow82.4%
Key (black)26.7%
Color previews
#21bb21 text on a black background
contrast 8.19:1
Card sample
#21bb21 text on a white background
contrast 2.56:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21bb21;
Background color
Panel with #21bb21 background
background-color: #21bb21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21bb21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 187, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 187, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21bb21; background: linear-gradient(135deg, #21bb21, #21BB88);