Print & Surface Design
Color Separations: Why Screen Print Art Isn't Just Art
A design can be finished and still not be print-ready. Color separation is the step that makes the difference visible.
"A screen printer doesn't print a picture. They print a stack of stencils, one per color, that only becomes the picture once they're all aligned."
Breaking One Image Into Many Layers
Screen printing requires a separate screen for every ink color in a design, which means a finished piece of art has to be broken apart — separated — into individual color layers before it can be printed at all. Spot-color separation assigns each element a single flat, defined ink color; simulated process separation uses a limited set of halftone dots to approximate a much wider range of tones and gradients, closer to how a photograph might be printed (Kornit, 7 Types of Shirt Printing and Their Benefits).
Why More Colors Isn't Automatically Better Art
Every additional separation adds a screen, a registration point that has to align precisely with every other screen, and real cost — which is why disciplined color separation is as much a design skill as drawing the art in the first place. A design that "reads" as six colors to the eye can often be separated into three or four with the right use of halftones and ink trapping, at a fraction of the setup cost.
Where This Goes Wrong
Art delivered as a single flattened image with no separations built in — the most common handoff mistake from a designer unfamiliar with screen printing — forces the printer to reconstruct separations themselves, which is exactly the kind of gap that turns a same-week reorder into a week of back-and-forth over what a "close enough" color match actually means.
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