Blue - the name of the group of colors. The spectral blue color is felt by a person under the influence of electromagnetic radiation with wavelengths in the range of 440–485 nm (sometimes the range is indicated wider - 420–490 nm). One of the primary colors in the KZS (RGB) system.
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Blue - the name of the group of colors. The spectral blue color is felt by a person under the influence of electromagnetic radiation with wavelengths in the range of 440–485 nm (sometimes the range is indicated wider - 420–490 nm). One of the primary colors in the KZS (RGB) system.