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What are “all the colors of the rainbow”?

1991; Optica Publishing Group; Volume: 30; Issue: 24 Linguagem: Inglês

10.1364/ao.30.003401

0003-6935

Raymond L. Lee,

Color Science and Applications

Both folklore and theory imply that naturally occurring rainbows display a wide range of nearly pure colors. However, digital image analysis of color slides shows that the natural rainbow's colors are not especially pure and that the bow's background causes much of this desaturation.