In the actual production, color offset printing ink blending technique 

In production practice, when the blue ink reddish need instead of partial yellow, then as long as in offset ink added a small amount of green ink, because the ink reflection out of red and green lights are mixed into the yellow light, reddish blue ink into yellowish blue ink. Replicability, if blue ink partial yellow need to tune into the red side of blue ink, just add a small amount of purple and blue ink, purple and blue ink reflection to red light and blue light, yellow tone of reflection is red and green, the two ink interblend, in addition to the achromatic and total light is partial red Blues level. Then when the yellow ink blue, adding a small amount of orange, yellow ink is too red. 

In the daily life and production practice, people in order to make the white white, as long as the trace of Qun Qing (about 1%), the elimination of yellow white in the purpose can be achieved. When the feeling of black ink is not black, just add a part of light blue ink, black ink becomes black. As in plastic printing, adding a small amount of the phthalocyanine blue black ink can eliminate yellow black ink, black ink is more black. 

Below, some practical spot color offset printing ink color matching experience sharing, if there is doubt Ke at any time inquire ALS ink: 020-36253645 

Color with the color ink varieties less color is more bright coloured, if used too many varieties, the deployment of ink gloss will be reduced, ink color gray, printing ink is not clear. 

2 best cool cool + + warm, warm, warm and cold colors with reasonable make printing ink film bright color. 

3 in any color of the ink, adding white ink, gloss, bright color and hue rise, fall. As long as in any color of the ink to join black ink, gloss and color will be decreased at the same time, the color of the ink of dark, no light, making printing ink color darker. 

4. Color should abide by the economic principle, as far as possible the use of cheaper color ink and the old left ink color, in order to reduce the cost of printing, but of color and brightness, strict print except. 

5 should use the same type of the same color ink factory production, and select the compatible ink color and good color. 

6 as far as possible to calculate accurately, reduce unnecessary consumption.