First of all, we should understand the change law of the addition of three primary color inks, analyze the color of the primary color draft, find out the main hue, and then modulate with the least kind of auxiliary color inks. Otherwise,.Color Matching In Actual Printing

        If there are too many kinds of colors, the ink color will be gray and the gloss will be reduced. Color Matching In Actual Printing

       Note that the same type of inks produced by the same factory should be selected for ink modulation. It is best to use the ink of the same type of pigment to avoid chemical reaction or difficult affinity.Color Matching In Actual Printing

       Change of addition of three primary colors: primary color red contains a small amount of primary yellow, which is bright red. With the aggravation of yellow phase, Color Matching In Actual Printing

      It gradually becomes golden red, orange red, dark yellow and medium yellow. The original yellow contains a little original blue, which is grass green. Color Matching In Actual Printing

        With the aggravation of the blue phase, it gradually becomes emerald green, bright green, medium green, dark green and dark green. The original blue contains a little original red, which is medium blue. Color Matching In Actual Printing

      With the increase of red phase, it gradually becomes dark blue, ultramarine blue, Qinglian blue and purple.Color Matching In Actual Printing

       The original red plus a little origiColor Matching In Actual Printingnal basket is dark red. After increasing the basket phase, it becomes purple. The deepest red is purple, and the deepest basket is also purple.Color Matching In Actual Printing

      White ink, gray ink and black ink have no hue, only saturation. The addition of white ink to any color ink will increase the luster and brightness of the ink, and reduce the color at the same time. Color Matching In Actual Printing

       If black ink is added, it will make the ink shiny and gray. See the following figure for the change:Color Matching In Actual Printing

       Note that the ink shall be measured by balance or electronic scale, and the sample shall be scraped with an ink scraping stick. Color Matching In Actual Printing

       When the ink is adjusted, the proportion shall be recorded and archived to ensure the consistency of the ink color next time.Color Matching In Actual Printing