The color sequence of color screen printing is generally yellow, cyan, magenta and black. Taking into account the technological requirements, there are also some arranged in cyan, magenta, yellow and black. There are also printing colors in black, yellow, magenta and cyan abroad. Due to the difference in the shape of the substrate in screen printing (the plane and the curved surface) and the nature of the material of the substrate, the color sequence is also different. When printing on transparent objects, the color sequence should be black, yellow, cyan, and magenta. The arrangement of color sequence has an important restriction on reflecting the color of the original. How to ensure that the color of the copy is not distorted. In addition to the correct use of ink, it also requires long-term work practice and experience accumulation to constantly explore and summarize.
There are two factors to consider in determining the color sequence of screen printing, one of which is the transparency of the ink on the substrate, which is the main factor among the two factors. In screen printing, a new color of ink is produced by mixing or superimposing various colors of ink. If the transparency of the ink on the substrate is poor, the first color ink will be covered when printing the second color. It cannot be combined with the second color to generate a new color. The second factor is that the human eye's ability to perceive various colors is different. In general, human eyes are most sensitive to magenta, followed by cyan, and least sensitive to yellow. Because people have different sensitivity to colors, it often causes the enlargement or shrinkage of yellow dots, the loss and the change in ink size are unclear, which affects the printing quality.
The correct screen printing process procedures and requirements are that the first color is printed in cyan, and after printing, a stepped ruler and color scale are used for contrast check of tone reproduction. The second color is printed with a yellow plate, so that the two colors are superimposed into green, and then the human eye has the ability to recognize the green tone, and the printing quality is checked against the ladder and the color scale. The third color is printed in red, and finally the black is used. The black version enhances contours and dark tone levels. After printing the four-color plate, you get the same color copy as the original.
There are two factors to consider in determining the color sequence of screen printing, one of which is the transparency of the ink on the substrate, which is the main factor among the two factors. In screen printing, a new color of ink is produced by mixing or superimposing various colors of ink. If the transparency of the ink on the substrate is poor, the first color ink will be covered when printing the second color. It cannot be combined with the second color to generate a new color. The second factor is that the human eye's ability to perceive various colors is different. In general, human eyes are most sensitive to magenta, followed by cyan, and least sensitive to yellow. Because people have different sensitivity to colors, it often causes the enlargement or shrinkage of yellow dots, the loss and the change in ink size are unclear, which affects the printing quality.
The correct screen printing process procedures and requirements are that the first color is printed in cyan, and after printing, a stepped ruler and color scale are used for contrast check of tone reproduction. The second color is printed with a yellow plate, so that the two colors are superimposed into green, and then the human eye has the ability to recognize the green tone, and the printing quality is checked against the ladder and the color scale. The third color is printed in red, and finally the black is used. The black version enhances contours and dark tone levels. After printing the four-color plate, you get the same color copy as the original.
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