Which of these colours is NOT in a rainbow?

scientifically: all colours that are in white light, sunlight, are in a rainbow. The aerosol moisture droplets just separate them by wavelength.

I remember with good old ROY G BIV. Love that guy for helping me remember.

I once saw a pair of rainbows between the sun and me. Amazing!

Richard of York gave battle in vain

Roy g biv

if we mix all rainbow colours we get white but the colour should be particular

A rainbow is created by God. Yes it's scientifically explained. But God created a rainbow as His promise that He won't destroy the earth again by flood.

I know about rainbow