On Vision and Colors from a prism, however, the production of white can be demonstrated by using a mixture of colored light from each of the three main pairs of complementary colors: red – green, orange – blue, or yellow – violet. White can be produced from two complementary opposite colors when both of the external causes of the colors excite the same retinal place at the same time. Newton claimed that white could be produced by the aggregation of his seven prismatic colors. He erroneously considered color to be in light instead of in the eye. White is the result of the combination
How Are You realizes that he has to leave, as he's "gotta thousand little things I better do. Ah, but it was really good to talk to you. Be on my way, I'm bound to see you on the street again someday, and when I do I'll say How are you?" The reuniting theme of "How Are You" is also apparent in its follow-up single, "Lost and Found". "How Are You", like most Kinks tracks, is sung by Ray Davies. The track also, like many others on "Think Visual", makes use of synthesizers. "How Are You" was first released in November 1986 on