BS EN ISO 3668:2020

This standard BS EN ISO 3668:2020 Paints and varnishes. Visual comparison of colour of paints is classified in these ICS categories:

• 87.040 Paints and varnishes

This document specifies a method for the visual comparison of the colour of films of paints or related products against a standard (either a reference standard or a freshly prepared standard) using artificial light sources in a standard booth.

It is not applicable to coatings containing special-effect pigments, e.g. metallic, without previous agreement on all details of illuminating and viewing conditions