Color Palette:
1. Mint Green
   - Hex Code: 
                            
                            #98FF98
                        
   - Description: Represents freshness and cleanliness, perfect for a cleaning business.
  
2. Sky Blue
   - Hex Code: 
                            
                            #87CEEB
                        
   - Description: Evokes a sense of trust and reliability, ideal for a professional business card.
  
3. Lemon Yellow
   - Hex Code: 
                            
                            #FFF44F
                        
   - Description: Adds a cheerful and energetic touch, symbolizing a clean and bright environment.
  
4. Pure White
   - Hex Code: 
                            
                            #FFFFFF
                        
   - Description: Signifies purity and cleanliness, creating a clean and sleek look for the business card.
  
5. Steel Gray
   - Hex Code: 
                            
                            #808080
                        
   - Description: Adds a sophisticated and professional touch, balancing the vibrant colors in the palette.
  
6. Lavender
   - Hex Code: 
                            
                            #E6E6FA
                        
   - Description: Offers a calming and soothing element, creating a harmonious color combination for the business card design.