<Pastel Harmony> 
1. Soft Lavender - 
                            
                            #E6E6FA
                         - A gentle and calming hue that adds a touch of elegance.
2. Pale Mint - 
                            
                            #B2E0D4
                         - A refreshing and soothing green that promotes a sense of tranquility.
3. Light Peach - 
                            
                            #FFDAB9
                         - A warm and inviting color that brings warmth without overpowering.
4. Soft Sky Blue - 
                            
                            #B0E0E6
                         - A light and airy blue that provides a clean and serene backdrop.
5. Creamy Lemon - 
                            
                            #FFFACD
                         - A soft yellow that adds brightness and cheerfulness without being overwhelming.

This pastel color palette is designed to provide a serene and visually pleasing experience for your Excel sheet, ensuring good contrast with black text while avoiding overly vibrant or dark colors.

Would you like any additional colors or variations, or do you have specific sections in mind for each color?