Most stormtrooper helmets from ANH were made of a khaki coloured HDPE plastic that was painted white. The rest of the armour was formed in white ABS plastic. That would account for the biggest variation in colouring between helmet and armour....
I think the figure looks pretty good! I have a TIE outfit so I'm a little more drawn to this than some, perhaps. I have a little bit of knowledge about the nuances in the uniform so I'll try to address a couple of the questions in the thread:
Besides colour, the jumpsuits are essentially the...