The Difference Between Four-color Printing and Spot color Printing
Time:2025-02-20
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(1)Four-color Printing
Four color printing is using CMYK (cyan, magenta, yellow, black) four-color overlay to print the colors you need.
Simply put, it means using the different overlays of these four colors to obtain the color you need. As long as there is a gradient in color, it is printed with four-color overlay. Four color printing is achieved by overlaying dots, and different colored dots can be seen with a magnifying glass.
(2)Spot-color Printing
Spot color printing refers to the printing process of using ink of colors other than yellow, magenta, cyan, and black to replicate the original color.
Spot color printing technology is often used in packaging printing to print large-area base colors. Spot color printing is a single color without gradient, and the pattern is solid, so the dots cannot be seen with a magnifying glass. Generally speaking, spot color printing has a slightly higher cost.
(3)The Difference in Visual Effects Between Four-color Printing and Spot color Printing
Spot color printing has low color brightness and high saturation; Spot color blocks with uniform ink color are usually printed on the spot, and the amount of ink should be appropriately increased. When the thickness of the ink layer on the layout is large, the sensitivity of the change in ink layer thickness to color changes will decrease, making it easier to obtain a printing effect with uniform and thick ink color.
The color blocks printed using four-color printing technology are prone to changes in color intensity due to variations in ink layer thickness and printing process conditions.
The change in the degree of expansion of the network leads to a change in color. Therefore, using four-color printing technology to print color blocks is not easy to achieve a uniform ink color effect.
From the perspective of economic benefits, it mainly depends on whether the use of spot color printing technology can save the number of overprints. Reducing the number of overprints can save both printing costs and pre press production expenses.
If a product‘s image has both a color layered image and a large area of background color, then the color layered image can be printed with four-color printing, while the large area of background color can be printed with spot color printing.
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