what are the 7 colors of the rainbow?

The seven colors of the rainbow are; Red, Orange, Yellow, Green, Blue, Indigo and Violet. 

Rainbow is form when the sunlight passes through the water droplets, the light is bent and split into the different colors of the rainbow . Sunlight is known as visible or white light and is a combination of all visible colors. Rainbows appear in seven colors because water droplets break white sunlight into the seven colors of the spectrum.