The Palette Patrollers are a team of villains based in Naljo. The pokemon they use are only pokemon that share their color palette, hence the name "Palette Patroller".
Pokémon Brown Edit
Pokémon Prism Edit
Palette Yellow, Palette Green, Palette Blue, Palette Black, and Palette Pink are battled in Mound Cave. Palette Red is battled at the gatehouse between Route 74 and Heath Village. It is stated that Palette Green and Palette Yellow are dating.