#178b2f
a dark, vivid green · cool · closest name: forestgreen
RGB
23, 139, 47
HSL
132°, 72%, 32%
CMYK
84, 0, 66, 46
Luminance
0.1885
Every format
| HEX | #178b2f |
| RGB | rgb(23, 139, 47) |
| HSL | hsl(132, 72%, 32%) |
| CMYK | cmyk(84%, 0%, 66%, 46%) |
| LAB | lab(50.5 -49.9 39.5) |
| LCH | lch(50.5 63.6 141.7) |
| OKLCH | oklch(0.557 0.163 145.7) |
Copy-ready code
/* CSS */
color: #178b2f;
background-color: #178b2f;
/* Tailwind (arbitrary) */
class="text-[#178b2f] bg-[#178b2f]"
/* SCSS */
$brand: #178b2f;
/* SwiftUI */
Color(red: 0.090, green: 0.545, blue: 0.184)
/* Android */
Color.parseColor("#178b2f")Accessibility — WCAG contrast
Aa
#178b2f on white: 4.40:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#178b2f on black: 4.77:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green54.5%
Blue18.4%
CMYK percentages
Cyan83.5%
Magenta0.0%
Yellow66.2%
Key (black)45.5%
Color previews
#178b2f text on a black background
contrast 4.77:1
Card sample
#178b2f text on a white background
contrast 4.40:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #178b2f;
Background color
Panel with #178b2f background
background-color: #178b2f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #178b2f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 139, 47, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 139, 47, 0.45);
Border & gradient
Gradient panel
border: 3px solid #178b2f; background: linear-gradient(135deg, #178b2f, #178B7C);