For example, core black Lululemon clothing is never on sale or clearance. You always have to pay full price for a black Lululemon clothing. Therefore, if you pull up wearing all black Lululemon clothing, it is actually a sign and signal of your wealth.
Also black cars. Black cars are notoriously difficult to keep clean and well-maintained. Therefore, owning a black car is a signal that you’re rich enough, to maintain it, keep it clean, wax and polish it, etc.