To customize the way objects are highlighted
- Click the application button 

Options.  
- In the Options Editor, expand the Interface node, and click the Selection option. 
 
- Make sure the Enabled check box is selected. 
 
- Use the Method drop-down list to select the type of highlighting you want (Shaded, Wireframe or Tinted). 
 
- Click the Color palette to select the highlight color. 
 
- If you selected Tinted in the Method box, use the slider to adjust the Tint Level. 
 
- Click OK.