What principles should be followed for printing color sequence?
In multi-color overprinting, the process of monochromatic overprinting is overlaid in sequence in a certain order, and finally the process of restoring to the original document is called ink-color overprinting order, abbreviated as color order.
The arrangement of the color sequence is subject to various conditions. In order to obtain a good reproduction effect, the following basic principles are generally followed:
â‘ : Arrange the color sequence according to the brightness of the three primary colors: the dark color is printed first, and the bright color is printed later.
â‘¡: The color sequence is arranged according to the brightness and hiding power of the three primary inks, the ink with poor transparency is printed first, and the ink with strong transparency is printed after.
â‘¢: According to how much the dot area occupies the arrangement color: Generally, the small dot area is printed first, and the large dot area is printed later.
â‘£: Arrange the color sequence according to the characteristics of the manuscript: the graphics with the warm tone are printed first in black, cyan, and then the magenta and yellow; the graphics with the cold tone are printed in the magenta first, and then the cyan.
⑤: Arrange the color sequence according to the model: The color sequence of the monochrome or two-color offset printing machine is generally that the light and dark inks alternate with each other. The color sequence of four-color offset printing machine is generally black, magenta, cyan, yellow or black, cyan, magenta, yellow.
â‘¥: The color sequence is arranged according to the nature of the paper: smooth and tight paper is printed with dark color first, and then printed with bright color; while thick and loose paper is printed with bright color first, and then printed with dark color.
⑦: Arrange the color sequence according to the dryness of the ink: slow drying ink is printed first, and fast drying ink is printed later.
⑧: Arrange the color sequence according to the flat screen and the solid field: the flat screen graphics and text are printed first, and the solid structure is printed afterwards.
⑨: Arrange the color sequence according to the light color ink and the dark color ink: the dark color ink is printed first, and the light color or spot color ink is printed later.
â‘©It is convenient to arrange the color sequence according to the rules of matching and color changing: the main color or strong color matching should be in one piece or next to each other, and no one can separate them. In addition, the color sequence must take into account the convenience of color change, otherwise the auxiliary time will be increased . In short, the arrangement of the color sequence is a very important and complicated issue, which must be analyzed in detail and must not be done blindly.
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