Color Palette:
1. Color Name: Royal Blue
   Hex Code: 
                            
                            #4169E1
                        
   Description: Represents trust, confidence, and professionalism, ideal for branding and web design for an online sales course.

2. Color Name: Teal
   Hex Code: 
                            
                            #008080
                        
   Description: Evokes a sense of reliability and balance, great for creating a calm and trustworthy atmosphere in online sales materials.

3. Color Name: Goldenrod
   Hex Code: 
                            
                            #DAA520
                        
   Description: Adds warmth and energy, creating a welcoming and optimistic ambiance for online sales course visuals.

4. Color Name: Silver
   Hex Code: 
                            
                            #C0C0C0
                        
   Description: Symbolizes sophistication and modernity, perfect for adding a touch of elegance to online sales course graphics.

5. Color Name: Coral
   Hex Code: 
                            
                            #FF7F50
                        
   Description: Infuses a playful and friendly vibe, suitable for adding a pop of color to online sales course branding and materials.

6. Color Name: Slate Gray
   Hex Code: 
                            
                            #708090
                        
   Description: Conveys a sense of professionalism and formality, ideal for creating a polished and professional look for an online sales course.