What does sky blue symbolize?

Because blue can make people think of the sky. That color is really ethereal and clear! Liking the sky may be the sadness of parting. In any case, he and it always look less melodramatic, so stretched, giving people a dreamy feeling, as if in the arms of an angel, so natural, so happy and so relaxed! It's really beautiful. Anyway, it depends on what you think. People have different experiences and different understandings of things. I like sky blue very much, too. I feel very holy. Among the three primary colors, its wavelength is the shortest (about 470 nm), and blue is one color. It is one of the three primary colors of red, green and blue. Due to the Rayleigh scattering of sunlight by dust in the air, the clear sky is blue. Because the hydrogen-oxygen bond in water molecules absorbs light around 750 nm, a large amount of water is concentrated in blue. Interestingly, because deuterium oxygen bond absorbs light with relatively long wavelength (about 950 nm), heavy water is colorless, and the complementary color of blue is orange. The types of blue are ultramarine, sky blue, cobalt blue, lake blue, indigo, sky blue, sky blue and sky blue. Usage and representative significance Blue is the eternal representative, it is the coldest color, and pure blue shows a kind of beauty, quietness, reason, tranquility and cleanliness. Because of its calm characteristics and rational and accurate image, in commercial design, most commodities or company shapes that emphasize technology and efficiency choose blue as the standard color and company color, such as computers, cars, photocopiers and photographic equipment. Blue also symbolizes melancholy. This image is also used in the commercial design or emotional appeal of literary works. In many countries, police uniforms are blue, and police and ambulance lights are generally blue, because blue has the meaning of bravery, and many air force and navy uniforms are blue. Generally, the air force is blue, the navy is dark blue, and blue-collar workers generally refer to manual workers in factories. This name comes from the blue overalls that workers usually wear to work, as opposed to white-collar workers. Generally refers to the staff in the office. They usually wear white shirts. In Islam, blue is a pure color. European aristocrats are usually called "aristocrats". Some people think the name comes from their pale skin. In the west, blue is generally the color of boys, girls are generally pink, boys' clothes, toys, baby carriages and so on. Usually light blue. Interestingly, this habit began after the First World War. Before that, blue was the color of girls and pink was the color of boys, so in the west, gay men used to be called "blue". The Blue Sox Club refers to a private gathering in the cultural circle at that time, because most of the people attending this gathering were women, and women at that time could not enter colleges and universities. The word "blue socks" was quickly targeted at women and was given a discriminatory meaning. In Britain, the wedding custom requires each bride's dowry to be as follows: "There is something old and something new, something borrowed and something blue" (some old, some new, some borrowed and some blue-that is, loyalty). blue hour is very popular in the United States and Britain, which refers to the time after work, that is, the time to relax, and blue is also acceptable. Politics The Pan-Blue Alliance of Taiwan Province Province is a political group. In the United States, blue is generally the color of the Democratic Party of the United States, and in Britain and Canada, blue is the color of the Conservative Party. Blue books are usually yearbooks or similar reference books. Since the1860s, ships crossing the Atlantic at the highest speed have been awarded the blue title. Blue ribbons are generally used to mark things of very high quality. The color of Oxford University is dark blue. The color of Cambridge University is light blue. In the west, subcutaneous congestion is often called blue block. In China, people call this congestion the Qing Wu congestion. In the schematic diagram of medicine, veins are generally painted blue, but in fact, venous blood is purplish red. Blue screen of death will appear in Microsoft's windows system when there are uncorrectable errors in the system. In the American Civil War, the military uniforms in the north were blue. So blue is often used to symbolize the north, and the military uniform in the south is gray, so gray is often used to symbolize the south. The nickname of International Business Machines Corporation is "Big Blue", and the first computer made by the company to beat the world chess champion Garry Kasparov is called Deep Blue. In English-speaking countries, if there are two full moons in a month, this phenomenon is called "blue moon". Blue is considered as a relatively cold color. Blue is a name often used in music. Many bands and songs are named in blue. In addition, an American music is called blues. Color code network code = # 0000fffrgb red, green and blue system = (red 0, green 0, blue 255) cmyk four-color printing system = (cyan c 100). Magenta m 100, yellow y0, black k0) hsv system = (primary color 240, saturation 100, brightness 100). Now blue has become the symbol color of baby face groups, such as the "feather" of jelly by Jane Zhang, the "fairy" of superjunior.

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