Tree maps make it easy to see which particular combinations stand out in your data. You'll need to choose two Groupings to define the different levels of the tree map and a Measure to represent the values shown in the tree map:

Color Scheme Properties

The following properties are set in the Report Editor -> Additional Configuration -> Edit Properties -> Color Scheme.

Color Set: This property determines which color scheme is used in the report. When set to Primary or Secondary, it will use the colors defined in your Account Skin in the Account section of the application. If you set the property to None, you can customize the color scheme for the report.