Here’s a sweet color palette that consists of 11 colors, perfect for an Excel spreadsheet:

 <Sweet Colors>
1. Cotton Candy - 
                            
                            #FFB3D9
                         - A soft pink reminiscent of fluffy cotton candy.
2. Lemonade - 
                            
                            #FFF5A3
                         - A light pastel yellow that evokes the freshness of lemonade.
3. Mint Cream - 
                            
                            #B2E0D9
                         - A refreshing mint green, calm and soothing.
4. Lavender Mist - 
                            
                            #E6C2E3
                         - A delicate lavender that adds a touch of elegance.
5. Peach Sorbet - 
                            
                            #FFCC99
                         - A warm peach that feels inviting and sweet.
6. Sky Blue - 
                            
                            #A4D3E2
                         - A light, airy blue that brings a sense of openness.
7. Lilac Breeze - 
                            
                            #E3D6F6
                         - A pale lilac that adds a whimsical touch.
8. Soft Coral - 
                            
                            #FF6F61
                         - A gentle coral that is vibrant yet soft.
9. Honeydew - 
                            
                            #E1F7D5
                         - A light green that is fresh and uplifting.
10. Creamy Beige - 
                            
                            #F2E2C4
                         - A warm beige that provides a neutral balance.
11. Frosted Violet - 
                            
                            #D6C9E4
                         - A soft violet that adds a touch of sophistication.

This palette features soft, pastel colors that create a sweet and inviting atmosphere, perfect for spreadsheets that need a gentle touch.

Would you like to know how to apply these colors in Excel, or do you need any further assistance with different themes?