Why was purple pigment history difficult to produce? Couldn’t ascestors have just mixed red and blue, instead of laboriously extracting it from sea snails?
In: Chemistry
Another problem was a lot of pigments (especially anything with red in it) would fade very quickly with exposure to sun and/or water. Much worse than today. So it wasn’t just about finding the right hue. Finding stable (dye-fast) pigments was tricky on its own.
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