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
The Padres change uniforms, again, so let's look at their visual history
Padres uniforms: Visual history of brown, yellow, blue, orange, sand - The San Diego Union-Tribune
Padres uniforms: San Diego returns to brown jerseys in 2020 - Sports Illustrated
The best Padres uniforms throughout history as chosen by San Diego Little Leaguers. - Gaslamp Ball
Brown has been part of the Padres' history since expansion, by FriarWire
Blue replaced brown on Padres uniforms in 1991, by FriarWire
Padres unveil new brown uniforms