Brown has been part of the Padres' history since expansion, by FriarWire
Padres uniforms: Visual history of brown, yellow, blue, orange, sand - The San Diego Union-Tribune
Padres History: The Four Tops
San Diego Padres 1876-1976 New Era 59Fifty Fitted Cap in Stone, Black and Pinot Red Under Brim.
San Diego Padres 1876-1976 New Era 59Fifty Fitted Hat (Stone Black Pinot Under Brim)
Blue replaced brown on Padres uniforms in 1991, by FriarWire
Padres uniforms: Visual history of brown, yellow, blue, orange, sand - The San Diego Union-Tribune
San diego padres t - Gem
Padres uniforms: Visual history of brown, yellow, blue, orange, sand - The San Diego Union-Tribune
Padres uniforms: Visual history of brown, yellow, blue, orange, sand - The San Diego Union-Tribune
Brown Uniforms Create Identity Padres