Diesel has self-identified as "definitely a person of color", and has stated that his parents' relationship would have been illegal in parts of the United States due to anti-miscegenation laws.
Diesel telah mengidentifikasi diri sebagai "seseorang yang berwarna", dan telah menyatakan bahwa hubungan orang tuanya akan menjadi ilegal di beberapa bagian Amerika Serikat karena undang-undang anti-perkawinan antar suku atau bangsa di Amerika Serikat.