#645021
a dark, vivid yellow · warm · closest name: sienna
RGB
100, 80, 33
HSL
42°, 50%, 26%
CMYK
0, 20, 67, 61
Luminance
0.0856
Every format
| HEX | #645021 |
| RGB | rgb(100, 80, 33) |
| HSL | hsl(42, 50%, 26%) |
| CMYK | cmyk(0%, 20%, 67%, 61%) |
| LAB | lab(35.1 2.4 30.2) |
| LCH | lch(35.1 30.3 85.5) |
| OKLCH | oklch(0.442 0.070 86.1) |
Copy-ready code
/* CSS */
color: #645021;
background-color: #645021;
/* Tailwind (arbitrary) */
class="text-[#645021] bg-[#645021]"
/* SCSS */
$brand: #645021;
/* SwiftUI */
Color(red: 0.392, green: 0.314, blue: 0.129)
/* Android */
Color.parseColor("#645021")Accessibility — WCAG contrast
Aa
#645021 on white: 7.75:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#645021 on black: 2.71:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green31.4%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta20.0%
Yellow67.0%
Key (black)60.8%
Color previews
#645021 text on a black background
contrast 2.71:1
Card sample
#645021 text on a white background
contrast 7.75:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #645021;
Background color
Panel with #645021 background
background-color: #645021;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #645021;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 80, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 80, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #645021; background: linear-gradient(135deg, #645021, #4B6421);