Color Palette:
1. Color Name: Steel Blue
   Hex Code: 
                            
                            #4682B4
                        
   Description: A professional and reliable color that conveys trust and efficiency, perfect for highlighting important data in Excel.

2. Color Name: Light Sea Green
   Hex Code: 
                            
                            #20B2AA
                        
   Description: A friendly and approachable color that adds a refreshing touch to your Excel sheets, making them visually appealing and easy to navigate.

3. Color Name: Dark Olive Green
   Hex Code: 
                            
                            #556B2F
                        
   Description: A web-safe color that signifies growth and stability, ideal for representing positive data in Excel.

4. Color Name: Red
   Hex Code: 
                            
                            #FF0000
                        
   Description: A bold and attention-grabbing color that serves as a clear indicator of invalid or error data in Excel, ensuring accuracy and precision.

5. Color Name: Lime Green
   Hex Code: 
                            
                            #32CD32
                        
   Description: A vibrant and energetic color that represents valid and successful data entries in Excel, instilling a sense of accomplishment and progress.

6. Color Name: Light Gray
   Hex Code: 
                            
                            #D3D3D3
                        
   Description: A neutral and professional color that complements the palette, providing a subtle background for your Excel spreadsheets and enhancing overall readability.