What are the primary colors of the Las Vegas Raiders?

The Philadelphia Eagles were named in honor of what New Deal symbol? The Green Bay Packers were named after what kind of company that sponsored the team early on? What are the primary colors of the Green Bay Packers? What are the primary colors of the Pittsburgh Steelers? What are the primary colors of the Denver Broncos? What are the primary colors of the Cleveland Browns? What are the primary colors of the Minnesota Vikings? What are the primary colors of the Chicago Bears?