It is definetely possible to change the color or the entire look and feel. Check out there case studies (http://www.liferay.com/cms/servlet/COMPANY-CASE-STUDIES) or this post on how to customize the UI (http://forums.liferay.com/index.php?showtopic=616)
It is definetely possible to change the color or the entire look and feel. Check out there case studies (http://www.liferay.com/cms/servlet/COMPANY-CASE-STUDIES) or this post on how to customize the UI (http://forums.liferay.com/index.php?showtopic=616)