This thread is utterly pointless.
Why make different colour plasters? Is anyone exactly the same shade skin as a beige plaster? No. They do a job, to protect wounds, they aren't designed to be discreet, nor aesthetically pleasing.
IMO, black people could be quite offended if they started making black plasters (in a white-majority country). It would be too PC. Perhaps in black-majority countries they make them darker, but IMO theres little or no demand here.