#11ff21
a balanced, electric green · cool · closest name: lime
RGB
17, 255, 33
HSL
124°, 100%, 53%
CMYK
93, 0, 87, 0
Luminance
0.7175
Every format
| HEX | #11ff21 |
| RGB | rgb(17, 255, 33) |
| HSL | hsl(124, 100%, 53%) |
| CMYK | cmyk(93%, 0%, 87%, 0%) |
| LAB | lab(87.8 -85.0 79.6) |
| LCH | lch(87.8 116.4 136.9) |
| OKLCH | oklch(0.868 0.289 142.9) |
Copy-ready code
/* CSS */
color: #11ff21;
background-color: #11ff21;
/* Tailwind (arbitrary) */
class="text-[#11ff21] bg-[#11ff21]"
/* SCSS */
$brand: #11ff21;
/* SwiftUI */
Color(red: 0.067, green: 1.000, blue: 0.129)
/* Android */
Color.parseColor("#11ff21")Accessibility — WCAG contrast
Aa
#11ff21 on white: 1.37:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#11ff21 on black: 15.35:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red6.7%
Green100.0%
Blue12.9%
CMYK percentages
Cyan93.3%
Magenta0.0%
Yellow87.1%
Key (black)0.0%
Color previews
#11ff21 text on a black background
contrast 15.35:1
Card sample
#11ff21 text on a white background
contrast 1.37:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #11ff21;
Background color
Panel with #11ff21 background
background-color: #11ff21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #11ff21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(17, 255, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(17, 255, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #11ff21; background: linear-gradient(135deg, #11ff21, #11FFBF);