Color printing ink preparation method

First of all, the ink color to be used should be preliminarily judged according to the hue of the original, and then the appropriate amount of each color ink should be taken and placed on the ink table for a small amount of adjustment. When blending, you should master the principle that dark ink is gradually added to light ink. Do not take the dark ink first and then add the light color ink, because the color strength of the light color ink is poor, if you use the method of adding the light color ink to the dark ink to adjust, it is not easy to adjust the hue, often the amount of ink is adjusted more Is undesirable. When the hue of the ink is adjusted to be similar to that of the original, you can use the printing paper to scrape the color sample, and then compare it with the original. If there is a color deviation, add color to correct it until it matches the printed sample. After the hue of the ink is difficult to adjust, their respective weights can be calculated so that the batch can be adjusted in proportion. If three primary colors are used to mix dark inks, they should be mastered in order to improve the effect of ink adjustment. For example: the equal mixing of the three primary colors ink, the resulting color is close to black; the two primary colors in the three primary colors are equal or unequal temperature adjustment, can obtain a variety of inter-color, the hue is biased to the color fruit with large content ratio; The three primary color inks are mixed in various proportions to obtain a variety of multiple colors; if any color ink is added with black ink, its brightness will inevitably decrease so that the hue becomes darker. If white ink is added, its brightness will increase. Inter-color and multi-color can be formulated with three primary colors of ink, but from the perspective of convenient deployment and minimizing the number of inks used, inter-color primary inks can be used.

When blending multi-color inks, the principle of color should be well grasped, and “this color should be added, and that color should be added” for trial adjustment. For example, the blue in the green ink of the light lake should be sky blue or peacock blue, and never use dark blue to adjust, because the dark blue ink has a red flavor, and after adding it will inevitably make the color dark and not bright. For the same reason, reddish dark yellow ink cannot be added, and lighter yellow ink should be used. As another example, when mixing orange-red ink, you cannot use rose-red ink, because it has a blue flavor, and the green composed of blue and yellow is the complementary color of red, which will make the ink color lack of vividness.

The color of some inks has its unique hue, just as the hue of gold and red is that red glows yellow, and it is used to adjust orange to make black more vivid. Printing orange color, if printing with orange ink can not achieve the bright effect, and the printing is not realistic, with gold red and lemon yellow mixed, the printing color is much better. In another example, when printing the green landscape of early spring, it is advisable to use yellowish ink to prepare it, which can print the tender green and lovely leaves. If dark yellow ink is used, because the dark yellow ink contains red flavor and red is the complementary color of green, the printed leaves must be black, turbid, and cannot reflect the breath of early spring.

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