Color Palette for Banking App:

1. Color Name: Midnight Blue
   Hex Code: 
          
          #003366
       
   Palette Description: This deep blue shade exudes trust, stability, and professionalism, making it an ideal choice for the primary color in a banking app. It represents security and reliability.

2. Color Name: Money Green
   Hex Code: 
          
          #00C853
       
   Palette Description: This vibrant green hue symbolizes wealth, growth, and prosperity. It can be used to highlight important sections or elements within the app, creating a sense of financial success.

3. Color Name: Pure White
   Hex Code: 
          
          #FFFFFF
       
   Palette Description: White represents purity, simplicity, and cleanliness. It is commonly used as the background color to provide a sense of clarity and elegance, enhancing readability and ease of use.

4. Color Name: Graphite Gray
   Hex Code: 
          
          #404040
       
   Palette Description: This dark gray shade adds a touch of sophistication and formality to the app. It can be used for text or icons to create contrast against lighter backgrounds, enabling easy readability.

5. Color Name: Golden Yellow
   Hex Code: 
          
          #FFD700
       
   Palette Description: This warm and radiant yellow tone conveys optimism and financial success. It can be used sparingly to draw attention to important buttons or notifications, creating a sense of urgency or importance.

6. Color Name: Transparent Black
   Hex Code: 
          
          #000000
        (with transparency)
   Palette Description: This semi-transparent black color can be used as an overlay or shading effect to add depth and dimension to the app's interface. It creates a modern and sleek appearance while maintaining readability.

Overall, this color palette combines shades of blue and green with neutral tones to evoke trust, professionalism, and financial prosperity, while ensuring a visually pleasing and user-friendly experience.