Color Palette:

1. Color Name: "
          
          #DBBA74
       "
   Hex Code: 
          
          #DBBA74
       
   Palette Description: This warm and earthy tone of orange represents the main color of the construction company catalog. It exudes a sense of reliability and stability, perfectly reflecting the industry.

2. Color Name: "Black"
   Hex Code: 
          
          #000000
       
   Palette Description: Black, a classic and timeless color, represents strength and authority. It is often used as a neutral color to provide balance and contrast in design.

3. Color Name: "Gray"
   Hex Code: 
          
          #808080
       
   Palette Description: Gray is a versatile and sophisticated color that adds a sense of professionalism and balance to the palette. It complements the other colors and adds depth to the overall design.

4. Color Name: "Light Gray"
   Hex Code: 
          
          #D3D3D3
       
   Palette Description: A lighter shade of gray, this color adds a touch of elegance and modernity to the palette. It can be used as a background color or to highlight certain elements.

5. Color Name: "Dark Gray"
   Hex Code: 
          
          #333333
       
   Palette Description: This dark shade of gray provides a strong contrast to the other colors in the palette. It adds depth and intensity to the design, making it visually appealing and eye-catching.

6. Color Name: "White"
   Hex Code: 
          
          #FFFFFF
       
   Palette Description: White is a clean and pure color that symbolizes simplicity and clarity. It can be used as a background color or to create emphasis on certain elements.

Note: This palette consists of 6 colors, including the specified orange color, along with black, various shades of gray, and white. These colors are suitable for creating a professional and visually appealing construction company catalog.