Thanks for the nice comments!
Nik, I used Tamiya acrylics, and shades are (thanks to Mike Starmer):
SCC2: XF-1 + XF-3 + XF-68 1 : 4 : 5 (light brown)
SCC1A: XF-1 + FX-10 1 : 7 (dark brown)
This is my latest work. It is AFV Club model converted to Mk II LP version.
and peek inside (build photos):
Many thanks for the help to armouredfarmer hmvf user.