#646a21
a dark, vivid yellow · cool · closest name: olive
RGB
100, 106, 33
HSL
65°, 53%, 27%
CMYK
6, 0, 69, 58
Luminance
0.1313
Every format
| HEX | #646a21 |
| RGB | rgb(100, 106, 33) |
| HSL | hsl(65, 53%, 27%) |
| CMYK | cmyk(6%, 0%, 69%, 58%) |
| LAB | lab(43.0 -12.8 38.6) |
| LCH | lch(43.0 40.7 108.4) |
| OKLCH | oklch(0.504 0.095 113.8) |
Copy-ready code
/* CSS */
color: #646a21;
background-color: #646a21;
/* Tailwind (arbitrary) */
class="text-[#646a21] bg-[#646a21]"
/* SCSS */
$brand: #646a21;
/* SwiftUI */
Color(red: 0.392, green: 0.416, blue: 0.129)
/* Android */
Color.parseColor("#646a21")Accessibility — WCAG contrast
Aa
#646a21 on white: 5.79:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#646a21 on black: 3.63:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green41.6%
Blue12.9%
CMYK percentages
Cyan5.7%
Magenta0.0%
Yellow68.9%
Key (black)58.4%
Color previews
#646a21 text on a black background
contrast 3.63:1
Card sample
#646a21 text on a white background
contrast 5.79:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #646a21;
Background color
Panel with #646a21 background
background-color: #646a21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #646a21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 106, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 106, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #646a21; background: linear-gradient(135deg, #646a21, #336A21);