How B&W material deals with colour

Exercise test piece covered in PVA paint out of tube colours background gray textured coating
Filtration test © Phil Gee
Polaroid images Scanned at 24 bit colour
Polaroid images Scanned at 8 bit Gray scale
Filtration Test © Phil Gee
Filtration Test Polaroid © Phil Gee

This was the basis for a simple exercise to show how the use of filters can effect the reproduction of various colours as tones on monochromatic, panchromatic and orthochromatic film a Gretag|Macbeth colour test target can also be used if a more quantitative result is required,.