How to change web browser's tab bar background color or image?

Want to edit the desktop colors? No graphic way to do it in Ubuntu 11.10/12.04.

1. Execute gksudo gedit /usr/share/themes/Ambiance/gtk-2.0/gtkrc
2. Don't like orange? Change the value of selected_bg_color. Feel free to change the other colors using HTML colors.
3. Save and exit, effects will kick in eventually.

This should set the background color for Chrome/Chromium.

See How to change tooltip background color in Unity?

Install the chrome plugin from below link .. you should be able to make your own themes .. and change colors ..

https://chrome.google.com/webstore/detail/oehpjpccmlcalbenfhnacjeocbjdonic?utm_campaign=en&utm_medium=mychrometheme&utm_source=en-et-na-us-et-mychrometheme