1. Black - 
                            
                            #000000
                         - Background color
2. White - 
                            
                            #FFFFFF
                         - Text color
3. Green - 
                            
                            #00FF00
                         - Success messages
4. Red - 
                            
                            #FF0000
                         - Error messages
5. Blue - 
                            
                            #0000FF
                         - Informational messages
6. Yellow - 
                            
                            #FFFF00
                         - Warnings
7. Gray - 
                            
                            #808080
                         - Inactive or disabled elements