#28df00
a dark, electric green · cool · closest name: lime
RGB
40, 223, 0
HSL
109°, 100%, 44%
CMYK
82, 0, 100, 13
Luminance
0.5323
Every format
| HEX | #28df00 |
| RGB | rgb(40, 223, 0) |
| HSL | hsl(109, 100%, 44%) |
| CMYK | cmyk(82%, 0%, 100%, 13%) |
| LAB | lab(78.0 -75.5 75.5) |
| LCH | lch(78.0 106.7 135.0) |
| OKLCH | oklch(0.786 0.262 141.6) |
Copy-ready code
/* CSS */
color: #28df00;
background-color: #28df00;
/* Tailwind (arbitrary) */
class="text-[#28df00] bg-[#28df00]"
/* SCSS */
$brand: #28df00;
/* SwiftUI */
Color(red: 0.157, green: 0.875, blue: 0.000)
/* Android */
Color.parseColor("#28df00")Accessibility — WCAG contrast
Aa
#28df00 on white: 1.80:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28df00 on black: 11.65:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green87.5%
Blue0.0%
CMYK percentages
Cyan82.1%
Magenta0.0%
Yellow100.0%
Key (black)12.5%
Color previews
#28df00 text on a black background
contrast 11.65:1
Card sample
#28df00 text on a white background
contrast 1.80:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28df00;
Background color
Panel with #28df00 background
background-color: #28df00;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28df00;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 223, 0, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 223, 0, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28df00; background: linear-gradient(135deg, #28df00, #00DF6C);