"When I send clouds over the earth, the rainbow will be seen in the clouds, and I will remember my promise to you and every being, that never again will floods come and destroy all life." Genesis who doesn't get excited when they see a rainbow?
Somewhere over the rainbow. As described elsewhere for Wizard Of Oz Programming and also Colour Programming to form groups of alters with certain roles. It links in with the Tree Of Life which is often placed inside the alters system and internal world.