#28fd39
a balanced, electric green · cool · closest name: lime
RGB
40, 253, 57
HSL
125°, 98%, 58%
CMYK
84, 0, 78, 1
Luminance
0.7100
Every format
| HEX | #28fd39 |
| RGB | rgb(40, 253, 57) |
| HSL | hsl(125, 98%, 58%) |
| CMYK | cmyk(84%, 0%, 78%, 1%) |
| LAB | lab(87.5 -81.8 73.7) |
| LCH | lch(87.5 110.1 138.0) |
| OKLCH | oklch(0.865 0.276 143.4) |
Copy-ready code
/* CSS */
color: #28fd39;
background-color: #28fd39;
/* Tailwind (arbitrary) */
class="text-[#28fd39] bg-[#28fd39]"
/* SCSS */
$brand: #28fd39;
/* SwiftUI */
Color(red: 0.157, green: 0.992, blue: 0.224)
/* Android */
Color.parseColor("#28fd39")Accessibility — WCAG contrast
Aa
#28fd39 on white: 1.38:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#28fd39 on black: 15.20:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green99.2%
Blue22.4%
CMYK percentages
Cyan84.2%
Magenta0.0%
Yellow77.5%
Key (black)0.8%
Color previews
#28fd39 text on a black background
contrast 15.20:1
Card sample
#28fd39 text on a white background
contrast 1.38:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28fd39;
Background color
Panel with #28fd39 background
background-color: #28fd39;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28fd39;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 253, 57, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 253, 57, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28fd39; background: linear-gradient(135deg, #28fd39, #28FDC7);