Olympic symbols 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 continents: Europe, Asia, Africa, Oceania, and America. 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": In his article published in the "Olympic Revue" the official
Sky blue yellow in the middle". The sense of this colour may have been first used in 1585 in a book by Nicolas de Nicolay where he stated "the tulbant of the merchant must be "skie coloured"". Displayed at right is the web colour "sky blue". Celeste (, (, ) is the colloquial name for the pale turquoise blue colour associated with Italian bicycle manufacturer Bianchi S.p.A and sometimes known as "Bianchi Green". In Italian, as the name indicates (Celestial), it is an attempt to reproduce the colour of clear skies. In English, this colour may also be referred to as Italian