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
Rainbow rays emerged, he concluded that the primary bow was caused by a single internal reflection inside the raindrop and that a secondary bow could be caused by two internal reflections. He supported this conclusion with a derivation of the law of refraction (subsequently to, but independently of, Snell) and correctly calculated the angles for both bows. His explanation of the colours, however, was based on a mechanical version of the traditional theory that colours were produced by a modification of white light. Isaac Newton demonstrated that white light was composed of the light of all the colours of the rainbow,