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
Padres getting new blue and yellow uniforms, brown will be official alternate - Gaslamp Ball
Padres uniforms: Visual history of brown, yellow, blue, orange, sand - The San Diego Union-Tribune
Best MLB Uniforms: The 18 Greatest That Don't Exist Anymore
San Diego Padres unveil new uniforms with brown-and-gold color scheme - ESPN
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 announce Motorola as official jersey patch partner
Padres uniforms: Visual history of brown, yellow, blue, orange, sand - The San Diego Union-Tribune
Blue and Yellow Padres concept. Thoughts? : r/Padres
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
Padres unveil new brown-and-gold uniforms, return to roots for 2020 season