Color Palette:

1. Color Name: Teal Blue
   Hex Code: 
                            
                            #007F7F
                        
   Description: A deep and rich teal blue color, perfect for highlighting important elements in Excel test cases.

2. Color Name: Light Gray
   Hex Code: 
                            
                            #D3D3D3
                        
   Description: A soft and neutral light gray color, ideal for background or text elements in Excel test cases.

3. Color Name: Dark Red
   Hex Code: 
                            
                            #8B0000
                        
   Description: A bold and intense dark red color, suitable for indicating errors or warnings in Excel test cases.

4. Color Name: Royal Purple
   Hex Code: 
                            
                            #6A0DAD
                        
   Description: A regal and vibrant royal purple color, great for adding a touch of elegance to Excel test case designs.

5. Color Name: Golden Yellow
   Hex Code: 
                            
                            #FFD700
                        
   Description: A warm and radiant golden yellow color, perfect for highlighting key points or sections in Excel test cases.

6. Color Name: Sky Blue
   Hex Code: 
                            
                            #87CEEB
                        
   Description: A serene and calming sky blue color, ideal for creating a soothing visual experience in Excel test cases.