Packaging box printing is made by printing paper, ink, color, etc., to decorate products through this printed matter, and now people will print the product map and text introduction to be promoted on the packaging box printing, in order to achieve effective attraction to consumers , So as to play a role in delivering and increasing sales. In life, people are usually confused by colors. Monotonous colors can make people visually fatigued, while brilliant colors are dazzling. Therefore, in this case, color deployment is even more necessary. Color matching is an art, it can bring you a kind of enjoyment instead of a burden while you observe.

 Packaging box printing occupies a large proportion in the printing industry and is an indispensable part of product packaging engineering. When printing the packaging box, we should not only take into account the beauty, but also take into account some issues such as its economy and environmental protection, and at the same time convey good information to consumers.

 Regarding packaging colors theoretically, computer color matching should be very accurate, but in practice, the results obtained by each software, screen display, and different printers are not the same, which still requires us to keep trying . For the color of the "palette" displayed on the screen, it is absolutely impossible to be sure that the display range of light and color does not overlap, but the printed result must be seen before adjustment.

 Physiologists have studied the various effects of light and color on our visual organs-eyes and brain (parts). Psychologists have studied the influence of colors on our minds and spirits and the symbolic power of colors. Physiologists have studied the various effects of light and color on our visual organs-eyes and brain (parts). Psychologists have studied the influence of colors on our minds and spirits and the symbolic power of colors. In summary, on the one hand, it is the "function" of color design, which has both physical and psychological effects on people, focusing on "feeling"; on the other hand, it is the "association" of design color, which can make people produce concrete This kind of influence is more focused on "thinking".

 In packaging box printing, there is often a view of looking at the color from a distance and looking at the flower closely, first looking at the color and then looking at the flower, and the saying that the seven-point color is three-pointed flower. These three sentences fully illustrate that the color of the packaged product is very good important. Therefore, we must follow the theory of packaging box printing chromatics to guide, give full play to the methods of printing technology and meet people’s psychological requirements for color, combine the color characteristics of packaged products, follow the color principle, and then color according to the law of printing technology. deal with.