Color Coding Specific data in a Matrix.

Hi JChouris ,

According to your description, here's my solution, create a measure.

Color =
SWITCH ( MAX ( 'Table'[Resets] ), "ESC", "Gray", "ACC", "Blue" )

In the visual formatting pane>Visual>Cell elements, turn on the Backgroud color option, and select fx button.

Select the color measure in the field.

Ge the correct result.

More information about conditional formatting, you can refer to this documnet: 

Apply conditional table formatting in Power BI - Power BI | Microsoft Docs

I attach my sample below for your reference.

Best Regards,
Community Support Team _ kalyj

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