Here is a single color palette inspired by the keywords "シティ・ポップ" (City Pop):

1. Color Name: Neon Peach
   Hex Code: 
                            
                            #FFB86F
                        
   Palette Description: This vibrant and energetic shade of orange with a touch of pink embodies the lively and dynamic atmosphere of a bustling city.

2. Color Name: Midnight Sky
   Hex Code: 
                            
                            #35495E
                        
   Palette Description: This deep, dark blue shade resembles the night sky over a cityscape, evoking a sense of calmness and tranquility amidst the urban surroundings.

3. Color Name: Retro Neon
   Hex Code: 
                            
                            #FF4098
                        
   Palette Description: This retro-inspired neon pink color represents the vibrant and flashy lights that illuminate the city streets, adding a touch of excitement and nostalgia.

4. Color Name: Urban Gray
   Hex Code: 
                            
                            #808080
                        
   Palette Description: This neutral gray shade symbolizes the concrete structures and urban landscape, reflecting the modern and industrial elements of a city.

5. Color Name: City Lights
   Hex Code: 
                            
                            #FFD700
                        
   Palette Description: This luminous yellow tone captures the essence of city lights, resembling the glow of street lamps and the bustling nightlife of a vibrant city.

6. Color Name: Soft Haze
   Hex Code: 
                            
                            #D9E6F2
                        
   Palette Description: This light and airy shade of blue represents the hazy and dreamlike quality of a city skyline at dusk, creating a serene and ethereal ambiance.

Together, these colors create a palette that encapsulates the lively, vibrant, and nostalgic atmosphere of the City Pop genre.