Color Palette for Excel Spreadsheet Sales:

1. Navy Blue
- Hex Code: 
                            
                            #001F3F
                        
- A professional and trustworthy color often associated with corporate settings, perfect for headers and important data.

2. Sky Blue
- Hex Code: 
                            
                            #87CEEB
                        
- A calming and soothing color that can be used for background elements or highlighting important information.

3. Silver
- Hex Code: 
                            
                            #C0C0C0
                        
- A neutral and sophisticated color that can be used for borders, grids, or text to create a sense of elegance.

4. Emerald Green
- Hex Code: 
                            
                            #2E8B57
                        
- A refreshing and vibrant color that can be used to represent growth, prosperity, and success in sales data.

5. Gold
- Hex Code: 
                            
                            #FFD700
                        
- A luxurious and eye-catching color that can be used for highlighting top performers or achievements in the spreadsheet.

6. Charcoal Gray
- Hex Code: 
                            
                            #36454F
                        
- A versatile and modern color that can be used for text, charts, or tables to create a sleek and professional look in the sales spreadsheet.