After this 1st figure:
I believe the base "tone" of the figure resulting from the base colour used on the uniform before the pattern of spots is too dark and too brown.
I added more beige yellow spots to the 1st test figure (on left below) and then began the 2nd test figure with the beige yellow base colour over the black undercoat (on the right below). I think it looks better.
What do you think?
This is what is should look like