Color Palette:

1. Color Name: Soft Blue
   Hex Code: 
                            
                            #8db3e2
                        
   Description: A calm and professional shade of blue suitable for highlighting important information in Excel.

2. Color Name: Soft Green
   Hex Code: 
                            
                            #a6d49f
                        
   Description: A soothing and fresh green tone that can be used for indicating success or positive values in Excel sheets.

3. Color Name: Soft Gray
   Hex Code: 
                            
                            #d1d1d1
                        
   Description: A neutral and versatile gray color perfect for background elements or borders in Excel to maintain a professional look.

4. Color Name: Valid Green
   Hex Code: 
                            
                            #4caf50
                        
   Description: A vibrant and positive green shade to signify valid data or successful entries in Excel cells.

5. Color Name: Invalid Red
   Hex Code: 
                            
                            #f44336
                        
   Description: A bold and attention-grabbing red color to denote errors or invalid information in Excel spreadsheets.

6. Color Name: Soft Purple
   Hex Code: 
                            
                            #b39ddb
                        
   Description: A sophisticated and elegant purple hue that can be used for highlighting specific data or categories in Excel.