One thing that always bothered me in Black Flag is the Spanish uniforms. In pre-release, they were white, which was historically correct. In the released game, they were changed to yellow with
The Pirate's Life In Assassin's Creed IV: Black Flag - Game Informer
Assassin's Creed IV Unique Spanish Mod at Assassin's Creed IV: Black Flag Nexus - Mods and community
Assassins creed artwork, Assassin's creed, Pirate art
Spanish Army | Assassin's Creed Wiki | Fandom
Assassin's Creed IV Unique Spanish Mod at Assassin's Creed IV: Black Flag Nexus - Mods and community