To set the default colours for tables in the 
Floor Plan or 
Table Plan panes click on the 
Colours and fonts button at the top of the pane.
You can also set each table to have a different solid colour, gradient or texture different to the default colour. This can improve the aesthetics and allow you to easily identify different table types in your floor plan.
To change the colour of a single table:
1.Double-click on a table or row of seats to show the Table properties window.
2.Choose solid, gradient or texture from the drop-down list and set the appropriate colour or texture.
3.Click OK.
To change the colour of multiple tables:
1.Select the tables you wish to change in the Floor Plan or 
Schematic pane.
2.Select Edit>Tables Properties>Colour... .
3.Change the colour in the Edit Table Colour window.
4.Click OK.
To change the colour of multiple tables:
1.Select the tables you wish to change.
2.Select Edit>Table Property>Colour... .
3.Choose solid, gradient or texture from the drop-down list and set the appropriate colour or texture.
4.Click OK.