<Seto Kaiba (DSOD)>
1. Kaiba Blue - 
                            
                            #004B87
                         - A deep, rich blue reminiscent of Seto's iconic coat and the high-tech atmosphere of Duel Monsters.
2. Duelist Silver - 
                            
                            #C0C0C0
                         - A sleek, metallic silver that reflects Kaiba's high status and the futuristic elements of his dueling technology.
3. Dark Obsidian - 
                            
                            #1C1C1C
                         - A profound, dark black that embodies Kaiba's intense personality and the shadowy themes present in his character.
4. Dragon Gold - 
                            
                            #FFD700
                         - A bold, bright gold that symbolizes the glory of victory and the power of his signature Blue-Eyes White Dragon.
5. Cardboard White - 
                            
                            #FFFFFF
                         - A clean, pure white that represents the cards and the strategic gameplay of the dueling world.

This color palette draws inspiration from Seto Kaiba’s character in “Yu-Gi-Oh! The Dark Side of Dimensions” (DSOD), blending the colors associated with his personality and the themes of rivalry and strategy.

Would you like me to create variations of this palette for specific applications, such as web design or merchandise?