The phenomenon by which two materials that match under one circumstance appear different to different viewers or under different lighting. Metameric mismatch occurs when tristimulus values are the same but spectral characteristics are not.


A motif can be defined as Print Data, usually a PDF file consisting of one page. Ideally, the content of the design is described in the print file by the page geometry frames or boxes available in the PDF file. The final trimmed area should be marked by the TrimBox, and the printable areas beyond it by the BleedBox.

If the print file consists of several pages in which individual motifs are available, this is referred to as a multipage PDF.