What are the primary colors of the Denver Broncos?

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 Las Vegas Raiders? 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? Which team's mascot is named "Blitz"?