Why can't the majority of people distinguish between indigo and

Why do many people confuse the color of indigo with the color blue

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Why do some people refer to shades of violet as 'blue'? - Quora

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Is it true, as some say, that the spectrum only really has 6 colours and indigo is made up? - Quora

If indigo is between blue and violet in the spectrum, why does it sometimes appear like greenish-blue/turquoise to my eye? Is it a perception effect or something unique about this wavelength?

What's the difference between violet, indigo, and purple? - Quora

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What is the difference between blue and violet? - Quora

Why are blue and indigo shown as separate colors on some spectrums

People can only see 1% of the visible light spectrum? No, it's

Why are blue and indigo shown as separate colors on some spectrums

If indigo is between blue and violet in the spectrum, why does it