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Harmonic colors are those that work well together, that is, they produce a color scheme that is sensitive to the same sense (harmony is born of the perception of the senses and, at the same time, this harmony feeds back to the sense, making it achieve the maximum balance Which is to make sense). The chromatic circle is a useful tool for determining color harmonies. The complementary colors are those that contrast in the circle and produce a strong contrast. Thus, for example, in the RGB model the green is complementary to the red, while in the CMY model the green is complementary to the magenta.
