Mold Design and Casting > Working with Volumes > Redefining Volumes > To Redefine Mold and Cast Surface Colors
  
To Redefine Mold and Cast Surface Colors
1. Click File > Options. The Creo Parametric Options dialog box opens.
2. Click System Colors > Geometry.
3. Under Mold and Cast Surfaces:, set surface colors.
4. Click OK.