When measuring color in an ink-on-paper sample or an image printed on-white film, the color of the supporting surface behind the print may not seem important.

In fact, the color of the backing behind a sample can have a measurable influence on the measurements, even for seemingly opaque materials like heavy white papers. The effects can be even greater when the substrate is a plastic film.

This paper explains the challenges and suggests a tool that can help – AVT’s SpectraLab.

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