#155e21
a deep, vivid green · cool · closest name: seagreen
RGB
21, 94, 33
HSL
130°, 64%, 23%
CMYK
78, 0, 65, 63
Luminance
0.0827
Every format
| HEX | #155e21 |
| RGB | rgb(21, 94, 33) |
| HSL | hsl(130, 64%, 23%) |
| CMYK | cmyk(78%, 0%, 65%, 63%) |
| LAB | lab(34.5 -35.9 28.2) |
| LCH | lch(34.5 45.6 141.9) |
| OKLCH | oklch(0.424 0.117 145.6) |
Copy-ready code
/* CSS */
color: #155e21;
background-color: #155e21;
/* Tailwind (arbitrary) */
class="text-[#155e21] bg-[#155e21]"
/* SCSS */
$brand: #155e21;
/* SwiftUI */
Color(red: 0.082, green: 0.369, blue: 0.129)
/* Android */
Color.parseColor("#155e21")Accessibility — WCAG contrast
Aa
#155e21 on white: 7.91:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#155e21 on black: 2.65:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red8.2%
Green36.9%
Blue12.9%
CMYK percentages
Cyan77.7%
Magenta0.0%
Yellow64.9%
Key (black)63.1%
Color previews
#155e21 text on a black background
contrast 2.65:1
Card sample
#155e21 text on a white background
contrast 7.91:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #155e21;
Background color
Panel with #155e21 background
background-color: #155e21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #155e21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(21, 94, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(21, 94, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #155e21; background: linear-gradient(135deg, #155e21, #155E52);