Read Muse's post for a thorough, hand-picked run of the grittiest dregs of the dating scene, where the meat market sells by the color of the skin.:

While some ads include the user’s thoughts on race in more subtle ways, for example, simply stating a racial “preference” (still, arguably, a sign of prejudice), others are more obvious in their descriptions—ranging from the utilization of explicitly racist phrases or terms to describe his/her own background and/or the background of the person being sought to downright exclusion a la Jim Crow style (“No -insert race here- need apply”).