Washington Football Team flag color codes
AAF Color Codes Hex, RGB, PANTONE and CMYK - Team Color Codes
nflcolor - File Exchange - MATLAB Central
Miami Hurricanes Color Codes Hex, RGB, and CMYK - Team Color Codes
GitHub - jimniels/teamcolors: Team Colors for professional sports teams
NFL (National Football League) American Football Team Color Codes
Washington Redskins Colors, Sports Teams Colors
Chicago Bears Colors, Sports Teams Colors
Due to popular request, here's my NFL Team Color Index: presented by ColorWerx : r/nfl
Dallas Cowboys Colors and Logo: A History and Color Codes — The Sporting Blog