#665c21
a dark, vivid yellow · cool · closest name: olive
RGB
102, 92, 33
HSL
51°, 51%, 27%
CMYK
0, 10, 68, 60
Luminance
0.1059
Every format
| HEX | #665c21 |
| RGB | rgb(102, 92, 33) |
| HSL | hsl(51, 51%, 27%) |
| CMYK | cmyk(0%, 10%, 68%, 60%) |
| LAB | lab(38.9 -3.9 34.4) |
| LCH | lch(38.9 34.6 96.4) |
| OKLCH | oklch(0.472 0.079 99.7) |
Copy-ready code
/* CSS */
color: #665c21;
background-color: #665c21;
/* Tailwind (arbitrary) */
class="text-[#665c21] bg-[#665c21]"
/* SCSS */
$brand: #665c21;
/* SwiftUI */
Color(red: 0.400, green: 0.361, blue: 0.129)
/* Android */
Color.parseColor("#665c21")Accessibility — WCAG contrast
Aa
#665c21 on white: 6.74:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#665c21 on black: 3.12:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green36.1%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta9.8%
Yellow67.6%
Key (black)60.0%
Color previews
#665c21 text on a black background
contrast 3.12:1
Card sample
#665c21 text on a white background
contrast 6.74:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #665c21;
Background color
Panel with #665c21 background
background-color: #665c21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #665c21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 92, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 92, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #665c21; background: linear-gradient(135deg, #665c21, #426621);