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AutoCAD Raster Design 2026
    • Autodesk AutoCAD Raster Design 2026 Help
      • Getting Started
      • User's Guide
        • Introduction to AutoCAD Raster Design Toolset
        • Inserting and Correlating Images
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        • Changing Image Properties
          • AutoCAD Properties
          • Image Display Properties
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          • Image Frame Display
          • Image Layer
          • Linetype of an Image Frame
          • Foreground Color of a Bitonal Image
          • Transparent Color of an Image
          • Unused Color for Transparent Color
            • To Designate an Unused Color as the Transparent Color
        • Managing Images and Insertions
        • Modifying Images
        • Raster Entity Manipulation
        • Converting Raster Entities to Vector
        • Following Polylines
        • Vectorizing Raster Text
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    To Designate an Unused Color as the Transparent Color

    1. At the Command prompt, enter rbackground.
    2. Select the image or images that you want to change, and then press Enter.
      Note: You can also select your image or images before you use the rbackground command.
    Parent topic: Unused Color for Transparent Color

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