Background tabs

I need to have a tab in some colors, like red, green, blue, black, etc. because the color of the tab is the color of the file that currently has the customer.

I know that the way to get it is to change the image of the tab.

My question is if I can has one tab in red background, another green background, another in yellow background in one TabSet. If the answer is yes, how can I get it.

Thanks you very much

		Tab Temp_tab = new Tab();
		Temp_tab.setAttribute("src", image_url );
		Temp_tab.setIcon( icon_url );