NX allows you to use various color schemes as the background screen color and also for displaying the solid bodies on the screen. To change the background color scheme, choose Preferences > Background from the menu bar; the Edit Background dialog box will be displayed.
Select the Plane radio button from the Shaded Views and Wireframe Views areas. Next,choose the color swatch available on the right side of the Plain Color option; the Color dialog box will be displayed. Select the White color swatch from the Colors dialog box and choose the OK button twice to apply the new color scheme to the NX environment.
Note that all the files that you open henceforth will not use this color scheme.