#28dd21
a balanced, vivid green · cool · closest name: lime
RGB
40, 221, 33
HSL
118°, 74%, 50%
CMYK
82, 0, 85, 13
Luminance
0.5227
Every format
| HEX | #28dd21 |
| RGB | rgb(40, 221, 33) |
| HSL | hsl(118, 74%, 50%) |
| CMYK | cmyk(82%, 0%, 85%, 13%) |
| LAB | lab(77.4 -74.1 70.6) |
| LCH | lch(77.4 102.3 136.4) |
| OKLCH | oklch(0.781 0.254 142.4) |
Copy-ready code
/* CSS */
color: #28dd21;
background-color: #28dd21;
/* Tailwind (arbitrary) */
class="text-[#28dd21] bg-[#28dd21]"
/* SCSS */
$brand: #28dd21;
/* SwiftUI */
Color(red: 0.157, green: 0.867, blue: 0.129)
/* Android */
Color.parseColor("#28dd21")Accessibility — WCAG contrast
Aa
#28dd21 on white: 1.83:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28dd21 on black: 11.45:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green86.7%
Blue12.9%
CMYK percentages
Cyan81.9%
Magenta0.0%
Yellow85.1%
Key (black)13.3%
Color previews
#28dd21 text on a black background
contrast 11.45:1
Card sample
#28dd21 text on a white background
contrast 1.83:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28dd21;
Background color
Panel with #28dd21 background
background-color: #28dd21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28dd21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 221, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 221, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28dd21; background: linear-gradient(135deg, #28dd21, #21DD97);