#178921
a dark, vivid green · cool · “forestgreen”
RGB
23, 137, 33
HSL
125°, 71%, 31%
CMYK
83, 0, 76, 46
Luminance
0.1818
Every format
| HEX | #178921 |
| RGB | rgb(23, 137, 33) |
| HSL | hsl(125, 71%, 31%) |
| CMYK | cmyk(83%, 0%, 76%, 46%) |
| LAB | lab(49.7 -50.6 44.5) |
| LCH | lch(49.7 67.4 138.7) |
| OKLCH | oklch(0.550 0.170 143.7) |
Copy-ready code
/* CSS */
color: #178921;
background-color: #178921;
/* Tailwind (arbitrary) */
class="text-[#178921] bg-[#178921]"
/* SCSS */
$brand: #178921;
/* SwiftUI */
Color(red: 0.090, green: 0.537, blue: 0.129)
/* Android */
Color.parseColor("#178921")Accessibility — WCAG contrast
Aa
#178921 on white: 4.53:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#178921 on black: 4.64:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green53.7%
Blue12.9%
CMYK percentages
Cyan83.2%
Magenta0.0%
Yellow75.9%
Key (black)46.3%
Color previews
#178921 text on a black background
contrast 4.64:1
Card sample
#178921 text on a white background
contrast 4.53:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #178921;
Background color
Panel with #178921 background
background-color: #178921;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #178921;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 137, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 137, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #178921; background: linear-gradient(135deg, #178921, #17896D);