NY wiseguys have plenty of connections with African American gangsters. In 2010 the New Jersey faction of the Lucchese crime family was involved in a racket together with a faction of the Bloods gang. The Genovese had ties to Harlem gangsters all the way back in the 50's. These kind of ties go way back.

For sure there are wiseguys in NYC that like some of their African American, Dominican, Puerto Rican, Jamaican, Albanian, Russian, Irish, Jewish, etc...associates better than some of their Italian American colleagues from their own family.

At the end of the day, the only color that actually matters is green.