Color Palette for Excel Bar Graph:

1. Soft Gray: 
                            
                            #CCCCCC
                         
2. Pale Blue: 
                            
                            #B3D9E6
                        
3. Light Lavender: 
                            
                            #D1B2FF
                        
4. Mint Green: 
                            
                            #A2FFC0
                        
5. Peachy Pink: 
                            
                            #FFC8B2
                        
6. Dusty Rose: 
                            
                            #E6B8AF
                        
7. Pale Yellow: 
                            
                            #FFF2B2
                        
8. Light Taupe: 
                            
                            #D7C4B0
                        
9. Muted Aqua: 
                            
                            #9FD4E8
                        
10. Ivory White: 
                            
                            #F8F8F2
                        
11. Beige Mist: 
                            
                            #F0E6DD
                        
12. Soft Sage: 
                            
                            #C0D9C0
                        

Palette Description: This color palette consists of 12 subtle and soft colors that are perfect for creating Excel bar graphs that are visually pleasing without being too loud or overwhelming. The colors range from soft grays and pastel blues to muted pinks and gentle greens, providing a harmonious and elegant color scheme for your data visualization needs.