Rainbow flag rainbow logo flag on a white field, to clearly promote and strengthen the cooperative image, but still use the rainbow image. Other organizations sometimes use the traditional rainbow flag as a symbol of cooperation. Like the rainbow, this flag is a symbol of hope and peace. The seven colours from flags around the world fly in harmony. Each of the seven colours in the co-operative flag have been assigned the following meaning: The ICA has been flying a flag with its official logo since April 2001, when its Board decided to replace the traditional rainbow flag. Its use by a
Theory of Colours Theory of Colours Theory of Colours (German: "Zur Farbenlehre") is a book by Johann Wolfgang von Goethe about the poet's views on the nature of colours and how these are perceived by humans. It was published in German in 1810 and in English in 1840. The book contains detailed descriptions of phenomena such as coloured shadows, refraction, and chromatic aberration. The work originated in Goethe's occupation with painting and mainly exerted an influence on the arts (Philipp Otto Runge, J. M. W. Turner, the Pre-Raphaelites, Wassily Kandinsky). The book is a successor to two short essays entitled "Contributions to Optics".