In a primary rainbow, the colors will be in the order of red, orange, yellow, green, blue, indigo and violet. Or ROYGBIV. Red has the longest wavelength, with each color decreasing away from it.

You are able to gift 5 more articles this month. Anyone can access the link you share with no account required. Learn more. There is a picture of a colorful sidewalk in the KJ on June 16. It’s ...

The colors of every rainbow always appear in the same order: red, orange, yellow, green, blue, indigo, and violet. The different colors in each part of the rainbow correspond to a different ...