#178c17
a dark, vivid green · cool · closest name: forestgreen
RGB
23, 140, 23
HSL
120°, 72%, 32%
CMYK
84, 0, 84, 45
Luminance
0.1900
Every format
| HEX | #178c17 |
| RGB | rgb(23, 140, 23) |
| HSL | hsl(120, 72%, 32%) |
| CMYK | cmyk(84%, 0%, 84%, 45%) |
| LAB | lab(50.7 -52.3 48.7) |
| LCH | lch(50.7 71.5 137.0) |
| OKLCH | oklch(0.558 0.178 142.7) |
Copy-ready code
/* CSS */
color: #178c17;
background-color: #178c17;
/* Tailwind (arbitrary) */
class="text-[#178c17] bg-[#178c17]"
/* SCSS */
$brand: #178c17;
/* SwiftUI */
Color(red: 0.090, green: 0.549, blue: 0.090)
/* Android */
Color.parseColor("#178c17")Accessibility — WCAG contrast
Aa
#178c17 on white: 4.37:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#178c17 on black: 4.80:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green54.9%
Blue9.0%
CMYK percentages
Cyan83.6%
Magenta0.0%
Yellow83.6%
Key (black)45.1%
Color previews
#178c17 text on a black background
contrast 4.80:1
Card sample
#178c17 text on a white background
contrast 4.37:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #178c17;
Background color
Panel with #178c17 background
background-color: #178c17;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #178c17;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 140, 23, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 140, 23, 0.45);
Border & gradient
Gradient panel
border: 3px solid #178c17; background: linear-gradient(135deg, #178c17, #178C65);