Contemporary immigration is affecting U.S. society in many ways, particularly with respect to racial dynamics. Three aspects of these dynamics stand out: the conceptualization of race, the meaning of assimilation, and racial relations between groups. Although contemporary immigration, being largely non-White, is challenging U.S. society's entrenched conceptualization of race as revolving around a Black/White framework, this framework is not being rapidly overturned. Instead, immigrants are increasing social complexity by both adapting to the Black/White dichotomy and seeking alternatives to it through multiculturalism. The conceptualization of race is pivotally important because it determines the shape of assimilation, and, consistent with growing immigration-driven complexity, no one model of assimilation dominates the society. Instead, Anglo-conformity and multiculturalism are competing for preeminence. Blacks, because of U.S. society's failure to completely absorb them, helped to originate multiculturalism, but immigration is strengthening the model's appeal. Blacks and immigrants are adapting to U.S. society by utilizing both Anglo-conformity and multiculturalism. Immigration, increasingly, is also influencing race relations because of its volume and character. Even though Black/White conflict remains unresolved, future race relations will go beyond this nexus to incorporate other groups in complex interactions, revolving around the formation of coalitions and conflict situations as groups pursue particular interests.