#666921
a dark, vivid yellow · cool · closest name: olive
RGB
102, 105, 33
HSL
63°, 52%, 27%
CMYK
3, 0, 69, 59
Luminance
0.1304
Every format
| HEX | #666921 |
| RGB | rgb(102, 105, 33) |
| HSL | hsl(63, 52%, 27%) |
| CMYK | cmyk(3%, 0%, 69%, 59%) |
| LAB | lab(42.8 -11.3 38.5) |
| LCH | lch(42.8 40.1 106.4) |
| OKLCH | oklch(0.503 0.094 111.6) |
Copy-ready code
/* CSS */
color: #666921;
background-color: #666921;
/* Tailwind (arbitrary) */
class="text-[#666921] bg-[#666921]"
/* SCSS */
$brand: #666921;
/* SwiftUI */
Color(red: 0.400, green: 0.412, blue: 0.129)
/* Android */
Color.parseColor("#666921")Accessibility — WCAG contrast
Aa
#666921 on white: 5.82:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#666921 on black: 3.61:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green41.2%
Blue12.9%
CMYK percentages
Cyan2.9%
Magenta0.0%
Yellow68.6%
Key (black)58.8%
Color previews
#666921 text on a black background
contrast 3.61:1
Card sample
#666921 text on a white background
contrast 5.82:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #666921;
Background color
Panel with #666921 background
background-color: #666921;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #666921;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 105, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 105, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #666921; background: linear-gradient(135deg, #666921, #366921);