According to the printing color distinction can have the following distinction:
1. Monochrome printing: is not limited to a black, where the same show are printed. Poly Color Printing (Poly Color Printing) and sub-coloring method (Casing Method), chromatography (Register Method) and multi-color method (Multi-color Method) three categories.
In addition to the double color of the monochrome image, add another color, so that it is clear and bright, to facilitate reading. The general children's books brush, and more use; sets of color who, independent of each other, do not overlap, nor the color of the edge of the line, followed by overprint printed on the material was made. General line of the table, the packaging of goods, and terrain, such as the printing, and more use.
2. Color printing: the multi-color printing, according to the color plus color mixing method (Additive Color Mixing Process), so that the natural color of the original decomposition of the original color separation version, and then use the color reduction method (Subtractive Color Mixing Process), the primary color Version of the reprint on the same printed matter, the original color overlap by the number of different, and get the original natural color prints are also. All color prints, except for a few of the increase color method and the color method, the full color method printed.
Four-color printing is mainly used in the printing method, through the CMYK four-color (that is, green, magenta, yellow, black) these four colors of ink to the printing material on the fineness, to the four different colors to reproduce the original Kind of color. To expand the color space, there are more than four colors (such as six-color printing) way. Packaging industry is often used four-color plus one or more spot color method to ensure that the user's demand for color to be met, enhance the print security, special, personality characteristics.