#645421
a dark, vivid yellow · cool · closest name: sienna
RGB
100, 84, 33
HSL
46°, 50%, 26%
CMYK
0, 16, 67, 61
Luminance
0.0916
Every format
| HEX | #645421 |
| RGB | rgb(100, 84, 33) |
| HSL | hsl(46, 50%, 26%) |
| CMYK | cmyk(0%, 16%, 67%, 61%) |
| LAB | lab(36.3 -0.1 31.5) |
| LCH | lch(36.3 31.5 90.1) |
| OKLCH | oklch(0.451 0.072 91.8) |
Copy-ready code
/* CSS */
color: #645421;
background-color: #645421;
/* Tailwind (arbitrary) */
class="text-[#645421] bg-[#645421]"
/* SCSS */
$brand: #645421;
/* SwiftUI */
Color(red: 0.392, green: 0.329, blue: 0.129)
/* Android */
Color.parseColor("#645421")Accessibility — WCAG contrast
Aa
#645421 on white: 7.42:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#645421 on black: 2.83:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green32.9%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta16.0%
Yellow67.0%
Key (black)60.8%
Color previews
#645421 text on a black background
contrast 2.83:1
Card sample
#645421 text on a white background
contrast 7.42:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #645421;
Background color
Panel with #645421 background
background-color: #645421;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #645421;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 84, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 84, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #645421; background: linear-gradient(135deg, #645421, #476421);