None, absolutely NONE of the above.
First, don't use Tamiya for figures:;they don't brush well at all. .
Second, use a gray as your base with darkened gray as a shadow and white as a highlight for white clothing. Mixing some blue into the base gray will cool the effect while brown will warm it.
Third, and most imprtantly, don't use Tamiya for figures; they don;t brush well at all