The colour was called Ultramarine Blue and the most expensive pigment during the Renaissance and was noted to be more expensive than gold. Ultramarine blue made from lapis lazuli is one of the few natural pigments with a permanent and vivid blue colour, good opacity, and high stability. It has always been very expensive and today can sell for over $1,000 per pound.
True or False: Can you smell or taste colours?
Trivia: How many colours can you see?
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