#28a821
a dark, vivid green · cool · closest name: green
RGB
40, 168, 33
HSL
117°, 67%, 39%
CMYK
76, 0, 80, 34
Luminance
0.2857
Every format
| HEX | #28a821 |
| RGB | rgb(40, 168, 33) |
| HSL | hsl(117, 67%, 39%) |
| CMYK | cmyk(76%, 0%, 80%, 34%) |
| LAB | lab(60.4 -58.2 55.0) |
| LCH | lch(60.4 80.0 136.6) |
| OKLCH | oklch(0.640 0.200 142.3) |
Copy-ready code
/* CSS */
color: #28a821;
background-color: #28a821;
/* Tailwind (arbitrary) */
class="text-[#28a821] bg-[#28a821]"
/* SCSS */
$brand: #28a821;
/* SwiftUI */
Color(red: 0.157, green: 0.659, blue: 0.129)
/* Android */
Color.parseColor("#28a821")Accessibility — WCAG contrast
Aa
#28a821 on white: 3.13:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#28a821 on black: 6.71:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green65.9%
Blue12.9%
CMYK percentages
Cyan76.2%
Magenta0.0%
Yellow80.4%
Key (black)34.1%
Color previews
#28a821 text on a black background
contrast 6.71:1
Card sample
#28a821 text on a white background
contrast 3.13:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28a821;
Background color
Panel with #28a821 background
background-color: #28a821;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28a821;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 168, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 168, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28a821; background: linear-gradient(135deg, #28a821, #21A874);