Blue pigments were made from minerals, especially lapis lazuili and azurite. The minerals were crushed, ground into powder, and then moxed with a quick-drying binding agent (egg yolk) or with a slow-drying oil (linseed oil) for oil paintings. Blue is known as the most popular color, blue creates a peacefulness and calm in its lighter, grayer shades. In its darker shades, it exudes trust and tradition. Follow the evolution of the color Blue below to see beautiful color palettes from the different decades.