Fruitless exercise as has been pointed out.
For what it is worth.
Years ago recall reading a book produced by
Model and
Alied
Publications, I think, on painting of models.
Recall it saying, that the original colours even if available and verified could not be used, as the scale of the model, wear and tear, actual colours as in photos could not be replicated, also photos are notoriously unreliable even if in colour due to distance from the subject, lighting, existing conditions and so on.
For instance in black and white photos which are more readily available, 'actual' colours are varying shades of 'grey'
In essence the "colour" was at best an approximation and nothing else, namely, no right colour, no wrong colour.
Makes you wonder about judging models for accuracy?????
If I like a paint scheme that is what I paint, same as if I like a subject that is what I make.