The Seven Colours Of The Rainbow

By Sonakshi Kandhari

May 13, 2022

A wonder of nature

The rainbow is one of the most fascinating phenomena of nature, and appears when sunlight refracts through rain! People of all ages, especially children, love it! Here are a few interesting facts about the seven colours of the rainbow, in the order of VIBGYOR!

Video source: Pexels


Symbolising creativity, royalty, ambition and luxury, violet has the shortest wavelength, from 380-450 nm. Its name is derived from the commonly found violet flower.  Fun fact: Violet is often confused with purple, with the latter being more popular and symbolic in nature.

Video source: Adobe Stock


A combination of blue and violet, indigo's existence has been much debated. Since it's hard to distinguish, its wavelength has been measured approximately at 425-450 nm.  Fun fact: Indigo is one of the oldest dyes in the world and is derived from the plant Indigofera Tinctoria.

Video source: Adobe Stock


This feel-good colour is known for its peaceful aura and healing properties. It’s positioned at a wavelength of 450-495 nm, and happens to be one of the rarest colours in nature. Fun fact: Owls are the only birds that can see the colour blue.

Video source: Adobe Stock


The centre of the rainbow is filled with  green, which symbolises wealth and new experiences. With a wavelength of 495-570 nm, it is called the colour of life. Fun fact: The human eye is most sensitive to a wavelength of 555nm, which corresponds to green.

Video source: Adobe Stock


Yellow has a wavelength of 570-590 nm. Easily one of the brightest and most recognisable colours in the spectrum, it usually symbolises happiness and inspiration. Fun fact: The word ‘yellow’ is derived from the Old English term, geolu.

Video source: Adobe Stock


The second last colour in the rainbow is orange, which represents freshness, vibrancy and warmth. Having a wavelength of 590-620 nm, it is easily spotted in oranges, carrots, goldfish, and even in fire. Fun fact: The most basic way to get the orange colour is by blending red and yellow.

Video source: Adobe Stock


Red possesses the longest wavelength in the range of 620-750 nm, and is also the last colour in the visible spectrum. It symbolises intense emotions such as courage, love and passion. Fun fact: Looking at red colour or light increases the heart rate!

Video source: Adobe Stock

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