The iPod cable in my car is difficult to find. It's in plain sight, but it's also easily confused with the black power cord for my travel fridge. And if I use a white cable, I'd confuse it with the power cord for my AC/USB transformer.
Surely, I thought, someone sells audio cables in purple, green, red, or other colors.
Not that I've found. The only exception, as far as I can tell, is the
Acoustic Research AP-047N 6' Performance Series 3.5mm Mini Male to Male Adapter ($8.47), which just happens to be an attractive shade of blue:
Someone should start selling cables in various colors!