The colours you see when a rainbow appears are the result of light being split into its various individual wavelengths.
A double rainbow Nature - a Royalty Free Stock Photo from Photocase
Colors of the Rainbow in Order
Watch: Dazzling weather phenomenon that light up the skies in every color of the rainbow
Double rainbow – what does it mean? Official blog of the Met Office news team
What are the colours of the rainbow? - Met Office
Cartoon Color Rainbow Weather Concept Banner Stock Vector (Royalty Free) 1590254926
Rainbow in sky. Refraction of light. Weather after rain. Bright arc of different colors. 11145463 Stock Photo at Vecteezy
RAINBOWS
Rainbow in sky. Beautiful weather. Decomposition of light into colors. 9276352 Stock Photo at Vecteezy
Rainbow in sky. Beautiful weather. Decomposition of light into colors. Natural phenomenon Stock Photo - Alamy
Met Office on X: Did you manage to spot any double rainbows earlier this week? 🌈🌈 More about how double rainbows form 👉 #WednesdayWisdom #didyouknow / X