#21da21
a balanced, vivid green · cool · closest name: lime
RGB
33, 218, 33
HSL
120°, 74%, 49%
CMYK
85, 0, 85, 15
Luminance
0.5058
Every format
| HEX | #21da21 |
| RGB | rgb(33, 218, 33) |
| HSL | hsl(120, 74%, 49%) |
| CMYK | cmyk(85%, 0%, 85%, 15%) |
| LAB | lab(76.4 -73.9 69.6) |
| LCH | lch(76.4 101.5 136.7) |
| OKLCH | oklch(0.773 0.252 142.6) |
Copy-ready code
/* CSS */
color: #21da21;
background-color: #21da21;
/* Tailwind (arbitrary) */
class="text-[#21da21] bg-[#21da21]"
/* SCSS */
$brand: #21da21;
/* SwiftUI */
Color(red: 0.129, green: 0.855, blue: 0.129)
/* Android */
Color.parseColor("#21da21")Accessibility — WCAG contrast
Aa
#21da21 on white: 1.89:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21da21 on black: 11.12:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green85.5%
Blue12.9%
CMYK percentages
Cyan84.9%
Magenta0.0%
Yellow84.9%
Key (black)14.5%
Color previews
#21da21 text on a black background
contrast 11.12:1
Card sample
#21da21 text on a white background
contrast 1.89:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21da21;
Background color
Panel with #21da21 background
background-color: #21da21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21da21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 218, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 218, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21da21; background: linear-gradient(135deg, #21da21, #21DA9C);