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A comment on The Difference Between ‘Violet’ and ‘Purple’ (2015). Parent comment

Re:The Difference Between ‘Violet’ and ‘Purple’ (2015) by jacobolus on Tuesday April 02, 2019 @02:43PM (#19557286)
Fair enough. I guess that part is down to definition of “ultraviolet”. The wavelengths called “UV-A” are slightly visible to some human observers.
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