In the name Pink Floyd, the name Pink Is in the name Pink Floyd. So there you go.
OR... The correct answer; From Wikipedia
There is no "Pink" per se, the name Pink Floyd was created by Syd Barrett,...
Syd Barrett did acid and it basically destroyed him, Roger Waters denys drug use saying "If you mean Pink Floyd took drugs - you're wrong. There is no way that I could play music and take any kind of...