Color Palette:
1. Color Name: Midnight Blue
   Hex Code: 
                            
                            #191970
                        
   Description: A deep and sophisticated shade of blue, perfect for highlighting important data points in professional Excel charts.

2. Color Name: Slate Gray
   Hex Code: 
                            
                            #708090
                        
   Description: A neutral and versatile gray color that adds a subtle and elegant touch to your charts.

3. Color Name: Teal
   Hex Code: 
                            
                            #008080
                        
   Description: A vibrant and calming shade of greenish-blue that brings a refreshing pop of color to your charts.

4. Color Name: Steel Blue
   Hex Code: 
                            
                            #4682B4
                        
   Description: A cool and modern shade of blue that adds a professional and polished look to your charts.

5. Color Name: Silver
   Hex Code: 
                            
                            #C0C0C0
                        
   Description: A classic and timeless shade of gray that provides a sleek and clean background for your data visualization.

6. Color Name: Dark Sea Green
   Hex Code: 
                            
                            #8FBC8F
                        
   Description: A soft and muted shade of green that complements the other colors in the palette, creating a harmonious and cohesive chart design.