Color bleeding (printing)

In printing and graphic arts, mixing of two dissimilar colors in two adjacent printed dots before they dry and absorb in substrate is referred to as color bleeding.[1] Unless it is done for effect, color bleeding reduces print quality.

Not to be confused with Bleed (printing) or Purple fringing.
Straight pen-drawn line color bleeding, causing jagged edges. Use of the term in prior art involved unwanted propagation of single color due to capillary action in paper fibers and other factors.

Prior art applied this term to the phenomenon of single color ink following the fibers of the paper.[2]

The amount of bleeding is affected by numerous factors, including the paper type,[3] paper's characteristics of ink absorption and its capillary action,[4] ink type and properties (speed of ink drying), printing technology (i.e. nozzle design and spacing with ink jet printers).

Color bleeding in newspaper print. Note jagged edges of digit's contour lines, part being a result of surface roughness.

See also

References
  1. "Minimizing color bleed while maximizing throughput for color printing". Retrieved 2007-05-17.
  2. "Black to color bleed control in ink-jet printing inks". Retrieved 2007-05-17.
  3. Frank, Benjamin. "Choosing The Right Paper for Ink Jet Printing". Retrieved 2007-05-09.
  4. Atobe, Shozo. "Matching Inkjet Paper to the Job". Archived from the original on 2006-09-23. Retrieved 2007-05-09.


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