Blue replaced brown on Padres uniforms in 1991, by FriarWire
Brown has been part of the Padres' history since expansion, by FriarWire
The Padres change uniforms, again, so let's look at their visual history
Modern mock-ups of Padres uniforms in retro colors - Gaslamp Ball
Padres uniforms: Visual history of brown, yellow, blue, orange, sand - The San Diego Union-Tribune
San Diego Padres - Wikipedia
Ranking the Best Uniforms in Major League Baseball
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
The Padres' Journey From Unique to Undistinguished (and Back Again?)
Padres uniform history: The 1970s - ESPN - SweetSpot- ESPN