Color Palette for Notes Website using Git and Markdown:

1. Color Name: Midnight Blue
   Hex Code: 
                            
                            #191970
                        
   Palette Description: A deep and rich shade of blue reminiscent of the night sky. It represents the primary color for the website's header and main elements.

2. Color Name: White Smoke
   Hex Code: 
                            
                            #F5F5F5
                        
   Palette Description: A light and subtle shade of grey that adds a clean and minimalist touch to the website. It is used for the background of the note cards and other sections.

3. Color Name: Forest Green
   Hex Code: 
                            
                            #228B22
                        
   Palette Description: A vibrant and refreshing green color that symbolizes growth and productivity. It is used for highlighting important elements like buttons, tags, or active states.

4. Color Name: Light Gray
   Hex Code: 
                            
                            #D3D3D3
                        
   Palette Description: A soft and neutral shade of gray that serves as a secondary color to complement the primary blue. It is used for borders, dividers, and other subtle accents.

5. Color Name: Goldenrod
   Hex Code: 
                            
                            #DAA520
                        
   Palette Description: A warm and inviting shade of yellow that adds a touch of liveliness to the website. It is used sparingly for call-to-action buttons or to highlight important notifications.

Overall, this color palette creates a harmonious and professional look for the notes website, combining the deep blue of Git and the clean aesthetics of Markdown with accents of green, gray, and yellow.