#288c01
a dark, electric green · cool · closest name: green
RGB
40, 140, 1
HSL
103°, 99%, 28%
CMYK
71, 0, 99, 45
Luminance
0.1921
Every format
| HEX | #288c01 |
| RGB | rgb(40, 140, 1) |
| HSL | hsl(103, 99%, 28%) |
| CMYK | cmyk(71%, 0%, 99%, 45%) |
| LAB | lab(50.9 -50.4 53.7) |
| LCH | lch(50.9 73.7 133.2) |
| OKLCH | oklch(0.561 0.180 140.1) |
Copy-ready code
/* CSS */
color: #288c01;
background-color: #288c01;
/* Tailwind (arbitrary) */
class="text-[#288c01] bg-[#288c01]"
/* SCSS */
$brand: #288c01;
/* SwiftUI */
Color(red: 0.157, green: 0.549, blue: 0.004)
/* Android */
Color.parseColor("#288c01")Accessibility — WCAG contrast
Aa
#288c01 on white: 4.34:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#288c01 on black: 4.84:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green54.9%
Blue0.4%
CMYK percentages
Cyan71.4%
Magenta0.0%
Yellow99.3%
Key (black)45.1%
Color previews
#288c01 text on a black background
contrast 4.84:1
Card sample
#288c01 text on a white background
contrast 4.34:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #288c01;
Background color
Panel with #288c01 background
background-color: #288c01;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #288c01;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 140, 1, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 140, 1, 0.45);
Border & gradient
Gradient panel
border: 3px solid #288c01; background: linear-gradient(135deg, #288c01, #018C37);