Want a simple recolour of buildings.
Step 1:Open SHP Builder...I'll do the Civilian Armory and give it remap. Get it from Tibsun.Mix--->Isosnow.Mix.
Step 2:Open the armory in the SHP Builder.
Step 3:So I have this
Click to view attachment
Step 4:Click on the paint button, then press flashflood with gradiant effects (paint button in the middle)
Step 5:Approach the part in the armory that look like little huts
Step 6:Click each of them once or maybe more. Note:Do not get the ground part
Step 7:If done right you'll have this
Click to view attachment
This should work for you with other buildings...giving them remap works great!