Define colors (or auto-define by default) for each open project, when tabs from different projects are open at the same time colorize each tab in the color of it's project.
Product Version = NetBeans IDE 6.9.1 (Build 201007282301)
Operating System = Windows XP version 5.1 running on x86
Java; VM; Vendor = 1.6.0_21
Runtime = Java HotSpot(TM) Client VM 17.0-b17
Just one possibility out of several choices, discussed at bug #178090.
*** This bug has been marked as a duplicate of bug 178090 ***