<Jonouchi Katsuya Hair>
1. Golden Blonde - 
                            
                            #F6D74B
                         - A bright, warm blonde reminiscent of sunlight, often seen in youthful characters.
2. Sandy Brown - 
                            
                            #D2B48C
                         - A soft, muted brown that reflects a natural, earthy tone, capturing a casual vibe.
3. Light Copper - 
                            
                            #D97C30
                         - A warm, orange-tinged brown that adds a hint of intensity and vibrancy.
4. Ash Blonde - 
                            
                            #B5B25C
                         - A cool, soft blonde with subtle gray undertones, giving a more sophisticated look.
5. Dark Chestnut - 
                            
                            #5B3A29
                         - A deep, rich brown that adds depth and contrast, often used for shadows.

This color palette captures the essence of Jonouchi Katsuya’s hair, combining warm blondes and browns that reflect his character’s energetic and vibrant personality.

What specific application do you have in mind for this color palette? Would you like to see variations or additional colors?