#666721
a dark, vivid yellow · cool · closest name: olive
RGB
102, 103, 33
HSL
61°, 52%, 27%
CMYK
1, 0, 68, 60
Luminance
0.1264
Every format
| HEX | #666721 |
| RGB | rgb(102, 103, 33) |
| HSL | hsl(61, 52%, 27%) |
| CMYK | cmyk(1%, 0%, 68%, 60%) |
| LAB | lab(42.2 -10.2 37.9) |
| LCH | lch(42.2 39.2 105.1) |
| OKLCH | oklch(0.498 0.091 110.1) |
Copy-ready code
/* CSS */
color: #666721;
background-color: #666721;
/* Tailwind (arbitrary) */
class="text-[#666721] bg-[#666721]"
/* SCSS */
$brand: #666721;
/* SwiftUI */
Color(red: 0.400, green: 0.404, blue: 0.129)
/* Android */
Color.parseColor("#666721")Accessibility — WCAG contrast
Aa
#666721 on white: 5.95:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#666721 on black: 3.53:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green40.4%
Blue12.9%
CMYK percentages
Cyan1.0%
Magenta0.0%
Yellow68.0%
Key (black)59.6%
Color previews
#666721 text on a black background
contrast 3.53:1
Card sample
#666721 text on a white background
contrast 5.95:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #666721;
Background color
Panel with #666721 background
background-color: #666721;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #666721;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 103, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 103, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #666721; background: linear-gradient(135deg, #666721, #376721);