#646721
a dark, vivid yellow · cool · closest name: olive
RGB
100, 103, 33
HSL
63°, 52%, 27%
CMYK
3, 0, 68, 60
Luminance
0.1252
Every format
| HEX | #646721 |
| RGB | rgb(100, 103, 33) |
| HSL | hsl(63, 52%, 27%) |
| CMYK | cmyk(3%, 0%, 68%, 60%) |
| LAB | lab(42.0 -11.1 37.6) |
| LCH | lch(42.0 39.3 106.5) |
| OKLCH | oklch(0.496 0.092 111.7) |
Copy-ready code
/* CSS */
color: #646721;
background-color: #646721;
/* Tailwind (arbitrary) */
class="text-[#646721] bg-[#646721]"
/* SCSS */
$brand: #646721;
/* SwiftUI */
Color(red: 0.392, green: 0.404, blue: 0.129)
/* Android */
Color.parseColor("#646721")Accessibility — WCAG contrast
Aa
#646721 on white: 5.99:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#646721 on black: 3.50:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green40.4%
Blue12.9%
CMYK percentages
Cyan2.9%
Magenta0.0%
Yellow68.0%
Key (black)59.6%
Color previews
#646721 text on a black background
contrast 3.50:1
Card sample
#646721 text on a white background
contrast 5.99:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #646721;
Background color
Panel with #646721 background
background-color: #646721;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #646721;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 103, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 103, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #646721; background: linear-gradient(135deg, #646721, #356721);