There are seven visible colors of the rainbow: red, orange, yellow, green, blue, indigo and violet. Colors in the rainbow that are invisible to the human eye include infrared and ultraviolet. More »

www.reference.com Science Colors

The wavelengths of the colors of the rainbow range from 390 nanometers to 780 nanometers. There are wavelengths that are lower or higher than those in the visible spectrum, and several types of radiation are simply light... More »

There are seven colors in a rainbow: red, orange, yellow, green, blue, indigo and violet. The acronym ROYGBIV, pronounced "Roy G. Biv," is a popular mnemonic to remember the colors in order. More »

There are seven colors in a rainbow: red, orange, yellow, green, blue, indigo and violet. The acronym ROYGBIV, pronounced "Roy G. Biv," is a popular mnemonic to remember the colors in order. More »

The seven colors of the rainbow are red, orange, yellow, green, blue, indigo and violet. The acronym Roy G. Biv is often employed by teachers in classrooms as a method of helping students remember the colors and their or... More »

The color indigo falls in between blue and violet in a rainbow. The full order for the colors of the rainbow is red, orange, yellow, green, blue, indigo and violet. More »

A rainbow is caused by the sun hitting water droplets in the atmosphere and reflecting the light so that people see a spectrum of colors. Rainbows are bowed in the center due to the fact that rainbows result from a group... More »