#668b21
a dark, vivid green · cool · “olivedrab”
RGB
102, 139, 33
HSL
81°, 62%, 34%
CMYK
27, 0, 76, 46
Luminance
0.2140
Every format
| HEX | #668b21 |
| RGB | rgb(102, 139, 33) |
| HSL | hsl(81, 62%, 34%) |
| CMYK | cmyk(27%, 0%, 76%, 46%) |
| LAB | lab(53.4 -28.9 49.1) |
| LCH | lch(53.4 57.0 120.5) |
| OKLCH | oklch(0.588 0.137 127.3) |
Copy-ready code
/* CSS */
color: #668b21;
background-color: #668b21;
/* Tailwind (arbitrary) */
class="text-[#668b21] bg-[#668b21]"
/* SCSS */
$brand: #668b21;
/* SwiftUI */
Color(red: 0.400, green: 0.545, blue: 0.129)
/* Android */
Color.parseColor("#668b21")Accessibility — WCAG contrast
Aa
#668b21 on white: 3.98:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#668b21 on black: 5.28:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green54.5%
Blue12.9%
CMYK percentages
Cyan26.6%
Magenta0.0%
Yellow76.3%
Key (black)45.5%
Color previews
#668b21 text on a black background
contrast 5.28:1
Card sample
#668b21 text on a white background
contrast 3.98:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #668b21;
Background color
Panel with #668b21 background
background-color: #668b21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #668b21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 139, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 139, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #668b21; background: linear-gradient(135deg, #668b21, #218B23);