It's called a spectrum.
Roy G Biv
Because the sunlight which is white gets disperced (split) into the colours of the rainbow hence the name rainbow.
Red, orange, yellow, green, blue, indigo and violet.
There are seven colours in a rainbow. In order, the colours are Red, Orange, Yellow, Green, Blue, Indigo, and Violet.
controlling the weather and bright colours
The rainbow has seven colours.
rainbow
RedOrangeYellowGreenBlueIndigoViolet
rainbow colours
The visible light portion of the electromagnetic spectrum.
ROYGBIV Red Orange Yellow Green Blue Indigo Violet
There are seven colours in a rainbow. In order, the colours are Red, Orange, Yellow, Green, Blue, Indigo, and Violet.