When the background is one color — a white box, a solid mat, a flat fill — knocking that color out is faster and more precise than AI segmentation.
Pick the color, set a tolerance, and every pixel within that range turns transparent. Tolerance is the control that matters: too tight leaves a speckled rim of near-background pixels; too loose starts eating similar colors inside your design. The studio previews the result live per color so you can dial it before committing.
Use knockout when the background is genuinely one color — logo sheets, clip art, scans on white. It is deterministic: the same tolerance gives the same result, with no model judgment involved. Use AI removal when the background has texture, gradient, or scene content; a knockout there would punch holes wherever the background color also appears inside your subject.
A knocked-out background means the transfer carries only your design: smaller billable area, less ink on the garment, and no accidental white-backed panel pressed around the art. The transparency your knockout creates is exactly what the film will not print.
Open Color Knockout in the studio, click the background, and watch it disappear — with a live preview before you apply.
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