#28df63
a balanced, vivid green · cool · closest name: forestgreen
RGB
40, 223, 99
HSL
139°, 74%, 52%
CMYK
82, 0, 56, 13
Luminance
0.5413
Every format
| HEX | #28df63 |
| RGB | rgb(40, 223, 99) |
| HSL | hsl(139, 74%, 52%) |
| CMYK | cmyk(82%, 0%, 56%, 13%) |
| LAB | lab(78.5 -68.9 48.0) |
| LCH | lch(78.5 84.0 145.1) |
| OKLCH | oklch(0.792 0.217 148.2) |
Copy-ready code
/* CSS */
color: #28df63;
background-color: #28df63;
/* Tailwind (arbitrary) */
class="text-[#28df63] bg-[#28df63]"
/* SCSS */
$brand: #28df63;
/* SwiftUI */
Color(red: 0.157, green: 0.875, blue: 0.388)
/* Android */
Color.parseColor("#28df63")Accessibility — WCAG contrast
Aa
#28df63 on white: 1.78:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28df63 on black: 11.83:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green87.5%
Blue38.8%
CMYK percentages
Cyan82.1%
Magenta0.0%
Yellow55.6%
Key (black)12.5%
Color previews
#28df63 text on a black background
contrast 11.83:1
Card sample
#28df63 text on a white background
contrast 1.78:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28df63;
Background color
Panel with #28df63 background
background-color: #28df63;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28df63;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 223, 99, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 223, 99, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28df63; background: linear-gradient(135deg, #28df63, #28DFDD);