In Europe, discrimination, when it happens, is usually based on national or religious differences. All wars Europeans ever fought were over national or religious reasons.
In Serbia generally racial discrimination is not present, nor is a topic of any conversation in media or society (certainly not to any extent like in US). There was a war between serbs and bosnian muslims and serbs and kosovo muslims (note national/religious connotation) some 20 years ago, and some people may have 'hard feelings' about it, but in general that's the end of it. Still, being a Muslim in Serbia is IMO a 'better' experience than being one in USA (maybe also because 5% of population of Serbia is Muslim vs ~1% in USA).