Color Palette:
1. Color Name: Teal
   Hex Code: 
                            
                            #008080
                        
   Description: A deep greenish-blue color, perfect for indicating task progress in a Gantt chart.

2. Color Name: Slate
   Hex Code: 
                            
                            #708090
                        
   Description: A cool, muted grey-blue shade, suitable for representing milestones or important deadlines in a Gantt chart.

3. Color Name: Amber
   Hex Code: 
                            
                            #FFBF00
                        
   Description: A vibrant golden-yellow color, ideal for highlighting critical path or urgent tasks in a Gantt chart.

4. Color Name: Lavender
   Hex Code: 
                            
                            #E6E6FA
                        
   Description: A soft, pale purple hue, great for denoting non-working or off days in a Gantt chart.

5. Color Name: Coral
   Hex Code: 
                            
                            #FF7F50
                        
   Description: A warm, reddish-orange tone, perfect for indicating delays or issues in a Gantt chart.

6. Color Name: Steel
   Hex Code: 
                            
                            #4682B4
                        
   Description: A strong, blue-gray color, suitable for representing dependencies or linked tasks in a Gantt chart.