#21de21
a balanced, vivid green · cool · closest name: lime
RGB
33, 222, 33
HSL
120°, 74%, 50%
CMYK
85, 0, 85, 13
Luminance
0.5268
Every format
| HEX | #21de21 |
| RGB | rgb(33, 222, 33) |
| HSL | hsl(120, 74%, 50%) |
| CMYK | cmyk(85%, 0%, 85%, 13%) |
| LAB | lab(77.7 -75.0 70.7) |
| LCH | lch(77.7 103.1 136.7) |
| OKLCH | oklch(0.783 0.256 142.6) |
Copy-ready code
/* CSS */
color: #21de21;
background-color: #21de21;
/* Tailwind (arbitrary) */
class="text-[#21de21] bg-[#21de21]"
/* SCSS */
$brand: #21de21;
/* SwiftUI */
Color(red: 0.129, green: 0.871, blue: 0.129)
/* Android */
Color.parseColor("#21de21")Accessibility — WCAG contrast
Aa
#21de21 on white: 1.82:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21de21 on black: 11.54:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green87.1%
Blue12.9%
CMYK percentages
Cyan85.1%
Magenta0.0%
Yellow85.1%
Key (black)12.9%
Color previews
#21de21 text on a black background
contrast 11.54:1
Card sample
#21de21 text on a white background
contrast 1.82:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21de21;
Background color
Panel with #21de21 background
background-color: #21de21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21de21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 222, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 222, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21de21; background: linear-gradient(135deg, #21de21, #21DE9F);