Question

How are colors that we use in painting made??
Especially some like blue, because it is rarely found in plants and chemicals.​

Answer 1

Blue is the colour of light between violet and green on the visible spectrum. ... Blue pigments were originally made from minerals such as lapis lazuli, cobalt and azurite, and blue dyes were made from plants; usually woad in Europe, and Indigofera tinctoria, or true indigo, in Asia and Africa.

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Answer 2

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Paint typically consists of pigment, resin, solvent and additives: Pigment - to provide colour, hiding and control gloss. Pigments are usually divided into two groups. One called 'Prime Pigments' includes pigments such as Titanium Dioxide (white), Chrome Green Oxide, Yellow and Red Iron Oxides, etc.

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