#645521
a dark, vivid yellow · cool · closest name: sienna
RGB
100, 85, 33
HSL
47°, 50%, 26%
CMYK
0, 15, 67, 61
Luminance
0.0932
Every format
| HEX | #645521 |
| RGB | rgb(100, 85, 33) |
| HSL | hsl(47, 50%, 26%) |
| CMYK | cmyk(0%, 15%, 67%, 61%) |
| LAB | lab(36.6 -0.7 31.8) |
| LCH | lch(36.6 31.8 91.2) |
| OKLCH | oklch(0.453 0.073 93.2) |
Copy-ready code
/* CSS */
color: #645521;
background-color: #645521;
/* Tailwind (arbitrary) */
class="text-[#645521] bg-[#645521]"
/* SCSS */
$brand: #645521;
/* SwiftUI */
Color(red: 0.392, green: 0.333, blue: 0.129)
/* Android */
Color.parseColor("#645521")Accessibility — WCAG contrast
Aa
#645521 on white: 7.33:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#645521 on black: 2.86:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green33.3%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta15.0%
Yellow67.0%
Key (black)60.8%
Color previews
#645521 text on a black background
contrast 2.86:1
Card sample
#645521 text on a white background
contrast 7.33:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #645521;
Background color
Panel with #645521 background
background-color: #645521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #645521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 85, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 85, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #645521; background: linear-gradient(135deg, #645521, #466421);