I've finally figured out why we switched from 7 colors in the rainbow to 6. [768x576 - 52KB] | Poal: Say what you want.

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I've finally figured out why we switched from 7 colors in the rainbow to 6. [768x576 - 52KB] (pic8.co)

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From [here](https://www.scientificminds.com/blog/whatever-happened-to-roy-g-biv-kathy-reeves-115.aspx)

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[–] • 1 pt

maybe indigo originated as an attempt to distinguish sky blue from deep blue

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[–] • 1 pt

That would make sense, ocean or blueberries vs sky

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