The standard describes test methods for comparison of visual and/or colorimetric assessment of the colour of pigments in full shade systems. The test methods can be used for full shades of nearly black samples; the application for grey (nearly achromatic) samples is possible.
DIN 55985-2:1989 history
2020DIN 55985-2:2020 Pigments - Comparison of the colour of pigments in mass-tone systems - Part 2: Black pigments
1989DIN 55985-2:1989 Testing of pigments; comparison of the colour of pigments in full shade systems; black pigments