Color Palette:
1. Color Name: Earthy Brown
   Hex Code: 
          
          #7B5741
       
   Palette Description: This warm and natural brown color represents the earthy tones often found in traditional Indian architecture. It brings a sense of grounding and stability to the duplex building design.

2. Color Name: Royal Blue
   Hex Code: 
          
          #144E8B
       
   Palette Description: This rich and deep blue shade adds a touch of elegance and sophistication to the duplex building. It symbolizes luxury and power, making it a perfect choice for accents or focal points.

3. Color Name: Ivory White
   Hex Code: 
          
          #FDFBF8
       
   Palette Description: This soft and creamy white color evokes purity and tranquility. It complements the other colors in the palette and can be used as the main color for walls or ceilings, creating a bright and airy atmosphere.

4. Color Name: Terracotta Red
   Hex Code: 
          
          #C04000
       
   Palette Description: This warm and earthy red hue represents the vibrant Indian culture and adds a touch of energy and vitality to the duplex building. It can be used for decorative elements or accent walls.

5. Color Name: Leafy Green
   Hex Code: 
          
          #387D39
       
   Palette Description: This fresh and vibrant green shade brings a natural and calming element to the duplex building. It symbolizes growth and harmony, making it an excellent choice for adding a pop of color to the exterior or interior spaces.