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História. Nome. Referências. Azul. Nota: Para outros significados, veja Azul (desambiguação). O azul é uma das três cores-luz primárias (ciano), e uma cor-pigmento primária. Seu comprimento de onda é da ordem de 455 a 492 nanômetros do espectro de cores visíveis. O azul costuma estar associado à frieza, depressão, monotonia.
Blue is one of the three primary colours in the RYB colour model (traditional colour theory), as well as in the RGB (additive) colour model. It lies between violet and cyan on the spectrum of visible light .
The color defined as blue in the RGB color model, X11 blue, is the brightest possible blue that can be reproduced on a computer screen, and is the color named blue in X11. It is one of the three primary colors used in the RGB color space, along with red and green.
Light blue is a color or range of colors, typically a lightened shade with a hue between cyan and blue. The first use of "light blue" as a color term in English is in the year 1915.
Cores por tonalidade. Branco. Ver artigo principal: branco. O branco é uma combinação equilibrada de todas as cores do espectro de luz visível, ou de um par de cores complementares, ou de três ou mais cores, como cores primárias aditivas. É uma cor neutra ou acromático ( incolor ), como preto e cinza . Preto. Ver artigo principal: Preto.
Blue is one of the colors of the rainbow that people can see. It is one of the primary colors (colors that can be mixed with other colors) of light , along with red and green . Apart from indigo and violet, it has the shortest wavelength of colors in the rainbow (about 470 nanometers ).
In art, blue is a colour on the conventional colour wheel, located between green and violet and opposite orange, its ccomplementary colour. Who created the color wheel? For millennia, many believed Aristotle's theory that all colors were a mixture of black and white.
