ROYGBIV

（重定向自VIBGYOR）

The conventional seven colors of the rainbow symbol

Natural rainbows show a continuum of colors.

Newton's color wheel that introduced indigo as a basic color. The uneven color division along the color circle correlates with the intervals of the musical major scale.

Newton's observation of prismatic colors. Comparing this to a color image of the visible light spectrum will show that Newton's

ROYGBIV or Roy G. Biv is an acronym for the sequence of hues commonly described as making up a rainbow: red, orange, yellow, green, blue, indigo and violet.

A rainbow spans a continuous spectrum of colors; the distinct bands are an artifact of human color vision. In ROYGBIV, the colors are arranged in the order of decreasing wavelengths, with red being 650 nm and violet being about 400 nm. The acronym is memorable because Roy is a common male given name, so Roy G. Biv sounds like a first name, middle initial, and a last name.

单词	VIBGYOR
释义	VIBGYOR 英语百科 ROYGBIV （重定向自VIBGYOR） ROYGBIV or Roy G. Biv is an acronym for the sequence of hues commonly described as making up a rainbow: red, orange, yellow, green, blue, indigo and violet. A rainbow spans a continuous spectrum of colors; the distinct bands are an artifact of human color vision. In ROYGBIV, the colors are arranged in the order of decreasing wavelengths, with red being 650 nm and violet being about 400 nm. The acronym is memorable because Roy is a common male given name, so Roy G. Biv sounds like a first name, middle initial, and a last name.
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