Color Palette: Cyberpunk Pastels for Japanese UI

1. Neon Pink: 
                            
                            #FF6EC7
                         - A vibrant and electrifying pink reminiscent of neon lights in a cyberpunk city.
2. Teal Blue: 
                            
                            #5BE6D4
                         - A cool and calming blue with a futuristic touch, perfect for a modern interface.
3. Lavender: 
                            
                            #C8A2C8
                         - A soft and soothing purple shade that adds a touch of elegance to the palette.
4. Mint Green: 
                            
                            #9EE09E
                         - A fresh and invigorating green hue that brings a sense of balance and harmony.
5. Peach: 
                            
                            #FFCCB6
                         - A warm and inviting peach tone that adds a hint of warmth to the palette.
6. Light Gray: 
                            
                            #D3D3D3
                         - A subtle and neutral gray shade that provides a perfect backdrop for the other colors.
7. Lemon Yellow: 
                            
                            #FFD700
                         - A bright and cheerful yellow that adds a pop of energy to the palette.
8. Sky Blue: 
                            
                            #87CEEB
                         - A soft and dreamy blue shade that evokes a sense of serenity and tranquility.

This color palette combines the vibrant and futuristic elements of cyberpunk with the soft and soothing tones of pastel colors, creating a unique and visually appealing palette for a Japanese user interface.