Color Palette:

1. Color Name: Midnight Blue
   Hex Code: 
                            
                            #191970
                        
   Palette Description: This deep navy blue color represents professionalism and sophistication, making it suitable for corporate logos in the mobile industry.

2. Color Name: Electric Blue
   Hex Code: 
                            
                            #00FFFF
                        
   Palette Description: This vibrant, electric blue color adds a fresh and modern touch to the palette, symbolizing innovation and technology.

3. Color Name: Goldenrod
   Hex Code: 
                            
                            #DAA520
                        
   Palette Description: This warm, golden yellow color brings a sense of luxury and value, making it a perfect choice for highlighting the high-priced buyback services of a mobile company.

4. Color Name: Slate Gray
   Hex Code: 
                            
                            #708090
                        
   Palette Description: This neutral gray color adds balance and stability to the palette, representing professionalism and reliability.

5. Color Name: Deep Orange
   Hex Code: 
                            
                            #FF4500
                        
   Palette Description: This deep orange color adds an energetic and bold element to the palette, symbolizing enthusiasm and confidence in the mobile industry.

6. Color Name: Emerald Green
   Hex Code: 
                            
                            #008000
                        
   Palette Description: This rich, emerald green color signifies growth, prosperity, and success, making it an ideal choice for a corporate logo in the mobile industry.