The present invention provides a colour recipe calculation method for matt finished, solid colour shades, by means of which it is possible to determine the proportion of matting agents in a colour recipe in a manner decoupled from the actual calcu-lation of the recipe and is based on a conventional spectrophotometric characterization of a matt sample using a standardised 45°/0° measurement geometry along with an established gloss measurement, or alternatively using a speclrophotomeler equipped with a d/8° measurement geometry and analyzing readings taken with the specular component included and excluded.
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