This example demonstrates the Custom rendering capabilities of TreeMap. You can set the "color" property of each data field or customize the rendering of a sector by using the "renderCallbacks" function.
Chrome, 44.06%
Internet Explorer, 22.08%
Firefox, 18.17%
Others, 9.07%
Opera, 3.38%
Safari, 3.24%
Non-mobile web browser usage for Wikimedia visitors as of March 2014