Three Color Rainbow - designkids.info. To remember the order of the colours of a rainbow we use the acronym ROY G BIV. A rainbow is formed by the reflection and refraction of sunlight in raindrops.
A rainbow is formed by the reflection and refraction of sunlight in raindrops.
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Fortunately, it's commonly held that rainbows have seven colors, so seven stripes The Marbits themselves use a three-color Rainbow. Rainbows usually occur after a storm or rain shower, and they are the result of refracted sunlight. The colors in a rainbow vary continuously, not in discrete stripes.