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.
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.