getActionBar().setTitle(Html.fromHtml("<font color=\"red\">" + getString(R.string.app_name) + "</font>"));
getSupportActionBar().setTitle(Html.fromHtml("<font color=\"red\">" + getString(R.string.app_name) + "</font>"));
getSupportActionBar().setBackgroundDrawable(new ColorDrawable(getResources().getColor(R.color.red)));
getSherlockActivity().getSupportActionBar().setBackgroundDrawable(new ColorDrawable(0xff00ACED));Soucre:www.lautturi.com