#28ae21
a dark, vivid green · cool · closest name: green
RGB
40, 174, 33
HSL
117°, 68%, 41%
CMYK
77, 0, 81, 32
Luminance
0.3083
Every format
| HEX | #28ae21 |
| RGB | rgb(40, 174, 33) |
| HSL | hsl(117, 68%, 41%) |
| CMYK | cmyk(77%, 0%, 81%, 32%) |
| LAB | lab(62.4 -60.1 56.8) |
| LCH | lch(62.4 82.7 136.6) |
| OKLCH | oklch(0.656 0.206 142.3) |
Copy-ready code
/* CSS */
color: #28ae21;
background-color: #28ae21;
/* Tailwind (arbitrary) */
class="text-[#28ae21] bg-[#28ae21]"
/* SCSS */
$brand: #28ae21;
/* SwiftUI */
Color(red: 0.157, green: 0.682, blue: 0.129)
/* Android */
Color.parseColor("#28ae21")Accessibility — WCAG contrast
Aa
#28ae21 on white: 2.93:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28ae21 on black: 7.17:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green68.2%
Blue12.9%
CMYK percentages
Cyan77.0%
Magenta0.0%
Yellow81.0%
Key (black)31.8%
Color previews
#28ae21 text on a black background
contrast 7.17:1
Card sample
#28ae21 text on a white background
contrast 2.93:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28ae21;
Background color
Panel with #28ae21 background
background-color: #28ae21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28ae21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 174, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 174, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28ae21; background: linear-gradient(135deg, #28ae21, #21AE78);