10 color meanings: the psychology of using different colors
Are there any colors that don't appear in nature, or is literally every color that humans can see present in nature? - Quora
The Vibrance of Natural Color
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Is there a colour that doesn't exist in nature because we made it up? - Quora
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Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. 224 Handbook of Nature-Study. The hotise mouse feeds upon almost anything which people like to eat,
Are there any colors that don't appear in nature, or is literally every color that humans can see present in nature? - Quora