1. Category = item , Property = icon , condition is '=' , Value = Geometry
2. Category = item , Property = Material , condition is '=' , Value = Blank
Now Find All............ Override the color you required.
Or
otherwise if you are looking for the same colors of the elements ....extract two review files one with obst off and insu off , other with switch on both..append transulency for the second one, Later append both .nwd files.