#256c21
a dark, vivid green · cool · closest name: seagreen
RGB
37, 108, 33
HSL
117°, 53%, 28%
CMYK
66, 0, 69, 58
Luminance
0.1123
Every format
| HEX | #256c21 |
| RGB | rgb(37, 108, 33) |
| HSL | hsl(117, 53%, 28%) |
| CMYK | cmyk(66%, 0%, 69%, 58%) |
| LAB | lab(40.0 -37.8 34.3) |
| LCH | lch(40.0 51.1 137.8) |
| OKLCH | oklch(0.470 0.130 142.4) |
Copy-ready code
/* CSS */
color: #256c21;
background-color: #256c21;
/* Tailwind (arbitrary) */
class="text-[#256c21] bg-[#256c21]"
/* SCSS */
$brand: #256c21;
/* SwiftUI */
Color(red: 0.145, green: 0.424, blue: 0.129)
/* Android */
Color.parseColor("#256c21")Accessibility — WCAG contrast
Aa
#256c21 on white: 6.47:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#256c21 on black: 3.25:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red14.5%
Green42.4%
Blue12.9%
CMYK percentages
Cyan65.7%
Magenta0.0%
Yellow69.4%
Key (black)57.6%
Color previews
#256c21 text on a black background
contrast 3.25:1
Card sample
#256c21 text on a white background
contrast 6.47:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #256c21;
Background color
Panel with #256c21 background
background-color: #256c21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #256c21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(37, 108, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(37, 108, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #256c21; background: linear-gradient(135deg, #256c21, #216C4F);