Color Palette:

1. Base Color: 
   - Name: Teal
   - Hex Code: 
                            
                            #029D8D
                        
   - Description: The base color for the Excel bar graphs, a vibrant teal shade that adds a pop of color to your data visualization.

2. Contrast Color 1:
   - Name: Coral
   - Hex Code: 
                            
                            #FF6F61
                        
   - Description: A striking coral color that provides a bold contrast to the teal base, adding visual interest to your bar graphs.

3. Contrast Color 2:
   - Name: Indigo
   - Hex Code: 
                            
                            #3F51B5
                        
   - Description: A deep indigo shade that complements the teal base color, creating a harmonious and visually appealing combination.

4. Contrast Color 3:
   - Name: Mustard
   - Hex Code: 
                            
                            #FFD166
                        
   - Description: A warm mustard hue that adds a touch of brightness and warmth to your Excel bar graphs, enhancing the overall color scheme.

5. Contrast Color 4:
   - Name: Lavender
   - Hex Code: 
                            
                            #9575CD
                        
   - Description: A soft lavender color that provides a subtle contrast to the teal base, creating a balanced and cohesive color palette for your data visualization.

6. Contrast Color 5:
   - Name: Mint
   - Hex Code: 
                            
                            #98DDCA
                        
   - Description: A refreshing mint shade that adds a cool and calming element to your Excel bar graphs, complementing the teal base color beautifully.

These 6 colors create a diverse and accessible color palette for Excel bar graphs, ensuring that your data visualization is both visually appealing and easy to interpret.