I strain to read the tabs in the source code editor of Visual Studio 2012. I don\'t even understand what the different colors mean? They seem totally random. Black on brown or
Looks like you might have Productivity Power Tools installed? If so turn off Custom Document Well or look in the Options > Productivity Power Tools > Custom Document Well > Advanced, there is an option to set colour to Visual Studio.
Or you could set: (In VS2015)
Options > Productivity Power Tools > Custom Document Well > Advanced
Then under Colors and Gradients panel, in the Selected Tab drop down choose VS Colors ,
This allows you to keep colored tabs by project yet highlights the selected tab clearly, win win...
My selected Tab is now bright Blue all the time.
The colors of each tab comes from productivity power tools. For each project power tools assign a colors, so developer can easily detect a file(if contain same name) belongs to which project.
For VS 2013 & 2015 you can easily remove those color by unchecked Colors tab by project following below steps
go to Tools > Options > Productivity Power Tools > Custom Document Well > General