First, there will be opposition and condemnation from some people in society.Secondly, children of interracial marriages are sometimes discriminated against and teased.This is where the apostle Paul rhetorically asks, "What fellowship hath light with darkness?" In accordance with the Old Testament teaching, Paul is simply prohibiting believers from intimate fellowship with unbelievers. There are absolutely no grounds in either the Old Testament or the New Testament to prohibit interracial marriages.
Psalm 2:7-8; -28; Isaiah 2:1ff.; 42:6; 49:6; Joel ff.) These hopes and promises have been fulfilled in Christ Jesus.
Sometime after Adam and Eve fell, God established a covenant with Abraham.
This covenant was intended to be international in scope—irrespective of cultural boundaries or skin color, that through Abraham's offspring (“seed”) all the nations of the Earth would be blessed (Genesis 12:1-4).
In America, as we continue to see the influx of people from all different cultures, who have all different colors of skin, it is imperative that we search the Scriptures so see how we should live.
Actually, the prohibitions were not strictly against Jewish-Gentile marriages as racial mixture, but against believer-unbeliever marriages (cf. Solomon was judged for marrying, not simply foreign women, but foreign women who believed in false gods.