Daily Archives: August 6, 2014

The classic rainbow is a single, brightly colored arc. Red is the outermost color of this arc, and violet is always innermost.

On occasion, you may see two rainbows at once. The lower rainbow is the primary rainbow, and the higher, more faintly colored arc is the secondary rainbow. The color sequence of the secondary rainbow is opposite to the primary; red is on the inside of the arc and violet is on the outside. Continue reading →