#645721
a dark, vivid yellow · cool · closest name: olive
RGB
100, 87, 33
HSL
48°, 50%, 26%
CMYK
0, 13, 67, 61
Luminance
0.0964
Every format
| HEX | #645721 |
| RGB | rgb(100, 87, 33) |
| HSL | hsl(48, 50%, 26%) |
| CMYK | cmyk(0%, 13%, 67%, 61%) |
| LAB | lab(37.2 -1.9 32.5) |
| LCH | lch(37.2 32.5 93.3) |
| OKLCH | oklch(0.458 0.075 95.7) |
Copy-ready code
/* CSS */
color: #645721;
background-color: #645721;
/* Tailwind (arbitrary) */
class="text-[#645721] bg-[#645721]"
/* SCSS */
$brand: #645721;
/* SwiftUI */
Color(red: 0.392, green: 0.341, blue: 0.129)
/* Android */
Color.parseColor("#645721")Accessibility — WCAG contrast
Aa
#645721 on white: 7.17:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#645721 on black: 2.93:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green34.1%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta13.0%
Yellow67.0%
Key (black)60.8%
Color previews
#645721 text on a black background
contrast 2.93:1
Card sample
#645721 text on a white background
contrast 7.17:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #645721;
Background color
Panel with #645721 background
background-color: #645721;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #645721;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 87, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 87, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #645721; background: linear-gradient(135deg, #645721, #446421);