This SAE Recommended Practice applies to parts and materials used in vehicle manufacture which are intended to be acceptable color matches to a specified standard. This document is intended for use with parts or materials which are opaque or nearly so. Materials covered by this document include topcoat paint finishes, interior soft trim, interior and exterior hard trim, and exterior film and flexible trim. Purpose The intent of this document is to precisely specify procedures for the visual evaluation of appearance of colored materials or parts incorporated in the manufacture of vehicles. The document provides a consistent engineering practice for the determination of visual color difference between materials or parts of the same or like materials. A suitable fixture providing daylight, fluorescent, and horizon lighting conditions is necessary for this evaluation.
Updated publication documents titles were added to the References. Minor word changes in 3.2.4 and 7.2. Updated publication title in 4.1.1. Added reference to note in 5.3 and added note 10.2 including viewing surface foam resource. Word changes in 7.2 to clearly define the location of viewing under the lighting source.