![I've finally figured out why we switched from 7 colors in the rainbow to 6. [768x576 - 52KB]](https://pic8.co/sh/fJi0MX.jpg){kind=link}
we are just used to colors and their names, we could shift every hue 5 degrees and have the exact same concepts meaning a whole different set of colors. the 7 color one shifts the blue towards green a bit, and then puts a "more blue" color called "indigo" before purple.
Colors with names are just social constructs, they didn't do something like "the log of the frequency increases blah blah blah", we just picked colors from things we know: sky, blood, plants, etc.
we are just used to colors and their names, we could shift every hue 5 degrees and have the exact same concepts meaning a whole different set of colors. the 7 color one shifts the blue towards green a bit, and then puts a "more blue" color called "indigo" before purple.
Colors with names are just social constructs, they didn't do something like "the log of the frequency increases blah blah blah", we just picked colors from things we know: sky, blood, plants, etc.
maybe indigo originated as an attempt to distinguish sky blue from deep blue
maybe indigo originated as an attempt to distinguish sky blue from deep blue
That would make sense, ocean or blueberries vs sky
That would make sense, ocean or blueberries vs sky
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