#678b21
a dark, vivid green · cool · “olivedrab”
RGB
103, 139, 33
HSL
80°, 62%, 34%
CMYK
26, 0, 76, 46
Luminance
0.2146
Every format
| HEX | #678b21 |
| RGB | rgb(103, 139, 33) |
| HSL | hsl(80, 62%, 34%) |
| CMYK | cmyk(26%, 0%, 76%, 46%) |
| LAB | lab(53.5 -28.5 49.2) |
| LCH | lch(53.5 56.8 120.1) |
| OKLCH | oklch(0.589 0.137 126.9) |
Copy-ready code
/* CSS */
color: #678b21;
background-color: #678b21;
/* Tailwind (arbitrary) */
class="text-[#678b21] bg-[#678b21]"
/* SCSS */
$brand: #678b21;
/* SwiftUI */
Color(red: 0.404, green: 0.545, blue: 0.129)
/* Android */
Color.parseColor("#678b21")Accessibility — WCAG contrast
Aa
#678b21 on white: 3.97:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#678b21 on black: 5.29:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.4%
Green54.5%
Blue12.9%
CMYK percentages
Cyan25.9%
Magenta0.0%
Yellow76.3%
Key (black)45.5%
Color previews
#678b21 text on a black background
contrast 5.29:1
Card sample
#678b21 text on a white background
contrast 3.97:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #678b21;
Background color
Panel with #678b21 background
background-color: #678b21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #678b21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(103, 139, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(103, 139, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #678b21; background: linear-gradient(135deg, #678b21, #218B22);