#178721
a dark, vivid green · cool · “forestgreen”
RGB
23, 135, 33
HSL
125°, 71%, 31%
CMYK
83, 0, 76, 47
Luminance
0.1762
Every format
| HEX | #178721 |
| RGB | rgb(23, 135, 33) |
| HSL | hsl(125, 71%, 31%) |
| CMYK | cmyk(83%, 0%, 76%, 47%) |
| LAB | lab(49.0 -50.0 43.8) |
| LCH | lch(49.0 66.4 138.8) |
| OKLCH | oklch(0.544 0.168 143.8) |
Copy-ready code
/* CSS */
color: #178721;
background-color: #178721;
/* Tailwind (arbitrary) */
class="text-[#178721] bg-[#178721]"
/* SCSS */
$brand: #178721;
/* SwiftUI */
Color(red: 0.090, green: 0.529, blue: 0.129)
/* Android */
Color.parseColor("#178721")Accessibility — WCAG contrast
Aa
#178721 on white: 4.64:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#178721 on black: 4.52:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green52.9%
Blue12.9%
CMYK percentages
Cyan83.0%
Magenta0.0%
Yellow75.6%
Key (black)47.1%
Color previews
#178721 text on a black background
contrast 4.52:1
Card sample
#178721 text on a white background
contrast 4.64:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #178721;
Background color
Panel with #178721 background
background-color: #178721;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #178721;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 135, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 135, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #178721; background: linear-gradient(135deg, #178721, #17876C);