1. To change the highlight color of a selected item in Navisworks®, select the Navisworks® application button (big 'N') and then left-click on the Options button.
2. In the Options Editor window, expand the Interface branch and then left-click on Selection.
3. Under the Highlight section of the Editor, select a color from the Color drop-down menu. Bright green or bright yellow appear very well within Navisworks®.