Color Palette:

1. Color: Mint Green
   Hex Code: 
                            
                            #98FB98
                        
   Description: A fresh and soothing shade of green, reminiscent of mint leaves. It brings a sense of tranquility and freshness to any design.

2. Color: Sunshine Yellow
   Hex Code: 
                            
                            #FFDB58
                        
   Description: A vibrant and cheerful yellow hue that resembles the color of bright sunlight. It exudes positivity and energy, perfect for creating a lively atmosphere.

3. Color: Ocean Blue
   Hex Code: 
                            
                            #1F75FE
                        
   Description: A deep and intense shade of blue, resembling the vastness and serenity of the ocean. It adds a touch of calmness and stability to any visual composition.

4. Color: Lavender
   Hex Code: 
                            
                            #E6E6FA
                        
   Description: A soft and delicate purple shade with a hint of pale pink. It evokes a sense of elegance and femininity, ideal for creating a gentle and sophisticated ambiance.

5. Color: Coral Pink
   Hex Code: 
                            
                            #FF7F50
                        
   Description: A warm and vibrant pinkish-orange hue, reminiscent of coral reefs. It brings a lively and playful touch to designs, perfect for catching attention.

6. Color: Creamy Beige
   Hex Code: 
                            
                            #F5F5DC
                        
   Description: A warm and inviting shade of beige, resembling the color of creamy milk. It provides a soft and neutral base, bringing warmth and comfort to any design.

This color palette includes a range of colors inspired by the keywords "安値" (low prices), "チラシ" (flyer), and "スーパー" (supermarket). The colors aim to evoke a sense of affordability, freshness, and vibrancy, making it suitable for designing promotional materials for supermarkets or flyers advertising discounted prices. The combination of mint green, sunshine yellow, ocean blue, lavender, coral pink, and creamy beige creates a visually appealing and harmonious palette.