The Padres change uniforms, again, so let's look at their visual history
Padres getting new blue and yellow uniforms, brown will be official alternate - Gaslamp Ball
Padres uniforms: San Diego returns to brown jerseys in 2020 - Sports Illustrated
Blue replaced brown on Padres uniforms in 1991, by FriarWire
The (un)common threads of Padres fashion - The San Diego Union-Tribune
San Diego Padres - Wikipedia
Uni Watch Profiles: Steve Sale
The (un)common threads of Padres fashion - The San Diego Union-Tribune
San Diego Padres Brown Uniform Redesign - Concepts - Chris Creamer's Sports Logos Community - CCSLC - SportsLogos.Net Forums
Blue replaced brown on Padres uniforms in 1991, by FriarWire