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On the color wheel long used by painters, and in traditional color theory, red is one of the three primary colors, along with blue and yellow.Painters in the Renaissance mixed red and blue to make violet: Cennino Cennini, in his 15th century manual on painting, wrote, "If you want to make a lovely violet colour, take fine lac [red lake], ultramarine blue (the same amount of the one as of the other) with a binder" he noted that it could also be made by mixing blue indigo and red hematite.Přečtěte si další informace, mimo jiné i to, jaké máte možnosti: zásady používání souborů cookie.Colorful Vacations provide travel, tourism related solutions to the free individuals as well as corporate groups.
Iron oxide also gives the red color to the planet Mars.
In the Renaissance, the brilliant red costumes for the nobility and wealthy were dyed with kermes and cochineal.
The 19th century brought the introduction of the first synthetic red dyes, which replaced the traditional dyes.
The Ancient Egytians and Mayans colored their faces red in ceremonies; Roman generals had their bodies colored red to celebrate victories.
It was also an important color in China, where it was used to color early pottery and later the gates and walls of palaces.