In color printing, whether the color meets the standard needs to be checked by tools or compared with the standard. How to make the color of printed materials meet the standard in color printing? In spot color printing and four-color printing, there are specialized color charts. In addition, we also use Pantone color cards, which are the standard color cards commonly used in the printing industry as a system for color communication and are widely used.
CMYK is produced by overlaying four types of ink in the form of dot patterns. Color printing uses spot color ink, which is printed in a flat (solid color printing, with 100% dot patterns) form using one type of ink. Since spot color printing is a solid color printing and is defined as a true spot color, CMYK printed spot colors can only be called simulated spot colors, and it can be seen that the same spot color has a certain difference in hue.
The coordination relationship of spot ink in the process of designing color printing is generally aimed at printing designers. Usually, designers may only consider whether the designed brochure itself is perfect, and ignore whether it can achieve its own perfection in the process of machine printing. In the design process, it is necessary to communicate with the printing factory, either because the designer is proficient in the printing process, or because the designer’s design will definitely reduce the color. Similarly, for spot ink, there may be less consideration or no consideration at all.
For example, designing promotional posters using PANTONE spot colors: PANTONE356, One part of it is standard spot color printing, which means printing on the spot (100% of the dots), while the other part requires screen printing, which is 90% of the dots and printed using PANTONE356. During the color printing process, if the spot color on the spot reaches the standard required by PANTONE’s spot color guide, the screen part will be “blurred”. Conversely, if the amount of ink on the screen is reduced, the spot color on the spot will be lighter and cannot meet PANTONE356’s spot color guide standard.
The above situation is due to the blind spots between spot ink solid printing and screen printing. It is necessary to avoid the blind spots and design the screen hanging values. This contradiction may be caused by poor performance of the printing machine or skilled workers, or perhaps incorrect operating methods. It is necessary to communicate with the printing manufacturer based on the actual situation to understand whether the printing can meet this requirement, the level of skilled workers, and so on.
Generally, design drawings and printed products can achieve the designer’s creative beauty as long as they can avoid the process that cannot be achieved by color printing. Otherwise, without communication, too many processes can not be achieved, then printing products may run counter to the effect of drawings.
