HomeScienceFrom Red to Violet: How our eyes spot every colour?

From Red to Violet: How our eyes spot every colour?

Do you know how our eyes and brain work together to see millions of colours? Well, here is all you need to know about colours and their role in our everyday life.

November 27, 2025 / 17:25 IST
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Discover how our eyes and brain work together to see millions of colours (Image: Canva)
Discover how our eyes and brain work together to see millions of colours (Image: Canva)

Have you ever wondered why the world is full of so many colours? From the bright red of apples to the deep blue of the ocean, our eyes can see millions of shades. Light, eye cells called cones, and the brain team up to make colours come alive.

Know the basics: From Light to Colours

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Everything we see gets its colour from light. Sunlight looks white, but it’s actually made of all colours of the rainbow mixed together. When light hits an object, some colours are absorbed and some are reflected. The reflected light travels to our eyes, which let you perceive the colour of the object. Beacuse of this reason, you see your red apple red and the sky blue.

How Our Eyes Work?