Use stream of consciousness to answer the following. The rings are five interlocking rings, coloured blue, yellow, black, green, and red on a white field, known as the "Olympic rings". The symbol was originally designed in 1912 by de Coubertin. He appears to have intended the rings to represent the five participating regions: Africa, Asia, America, Oceania and Europe. According to Coubertin, the colours of the rings together with the white of the background included the colours composing every competing nation's flag at the time. Upon its initial introduction, Coubertin stated the following in the August 1912 edition of Olympique:

Answer this question based on the passage: what are the 5 colors of the olympic flag?
The relevant information is: The rings are five interlocking rings, coloured blue, yellow, black, green, and red on a white field, known as the "Olympic rings". Final answer: blue , yellow , black , green , and red.