Custom Visual Formatting with JSON File

Hi MallinMatthew ,

Thanks for reaching out to the Microsoft fabric community forum

It is possible to format the SPC custom visual developed by the Government of Western Australia using a JSON theme file but with a few caveats.

What Works:

 The SPC visual supports custom formatting via JSON, like native Power BI visuals. You can define properties like lineColor, dotColor, colour_main, and colour_target within the visualStyles section of your JSON file. Here's a snippet that aligns with what others have successfully used:

"visualStyles": {

  "*": {

    "PBISPC": {

      "*": {

        "lineColor": [{ "solid": { "color": "#EA1FED" } }],

        "dotColor": [{ "solid": { "color": "#EA1FED" } }],

        "colour_main": [{ "solid": { "color": "#EA1FED" } }],

        "colour_target": [{ "solid": { "color": "#EA1FED" } }]

      }

    }

  }

}

Might Be Tricky

• The visual must be correctly identified in your JSON under its internal name (PBISPC).
• Not all formatting options may be exposed or supported some properties might be hardcoded or not responsive to theme overrides.
• Ensure your JSON file is applied as a theme in Power BI, not just imported as a visual.

Solved: .json and custom visuals with power bi theme possi... - Microsoft Fabric Community

Solved: SPC and Shewart Analysis in Power BI - Microsoft Fabric Community

We appreciate your engagement and thank you for being an active part of the community.

Best regards,
Lakshmi