When working with color schemes, you use the Edit Color Scheme dialog to perform many tasks. Use any of the following methods to access this dialog.
Click Architecture tabRoom & Area panel drop-down (Color Schemes).
Open a floor plan view or section view that displays a color fill legend. Select the legend, and click Modify | Color Fill Legends tabScheme panel (Edit Scheme).
For a floor plan view or section view, access view properties. On the Properties palette, click in the cell for the Color Scheme parameter.