I apologize for the repetition. Here’s a new, distinct pastel color palette for your Excel sheet:

 <Vibrant Pastel Color Palette for Excel>
1. Powder Blue - 
                            
                            #B0E0E6
                         - A light, airy blue that is refreshing and soothing.
2. Lemon Chiffon - 
                            
                            #FFFACD
                         - A soft, delicate yellow that brings brightness without overwhelming.
3. Pale Green - 
                            
                            #98FB98
                         - A calming pastel green that reflects nature and tranquility.
4. Apricot - 
                            
                            #FBCEB1
                         - A warm, light orange that adds a friendly and inviting touch.
5. Light Slate Gray - 
                            
                            #D3D3D3
                         - A soft gray that provides a neutral base while maintaining a light feel.

This palette features a range of soft and inviting colors, ensuring good contrast with black text while remaining visually appealing for your Excel sheet.

Would you like to explore more options or have any specific themes in mind?