Apply Colors to selected range in matrix

Hi vin26 ,

We can try to create ten calculated table first as the range:

For Rows:

C_Red_Row = DISTINCT('Table'[Row])

C_Yellow_Row = DISTINCT('Table'[Row])

C_Green_Row = DISTINCT('Table'[Row])

C_Blue_Row = DISTINCT('Table'[Row])

C_Gray_Row = DISTINCT('Table'[Row])

For Columns:

C_Red_Col = DISTINCT('Table'[Column])

C_Yellow_Col = DISTINCT('Table'[Column])

C_Green_Col = DISTINCT('Table'[Column])

C_Blue_Col = DISTINCT('Table'[Column])

C_Gray_Col = DISTINCT('Table'[Column])

Then we can create a measure as Filed Value of conditional format:

Measure:

Color Measure = 
SWITCH (
    TRUE (),
    MIN ( 'Table'[Row] ) IN DISTINCT ( C_Red_Row[Row] )
        && MIN ( 'Table'[Column] ) IN DISTINCT ( C_Red_Col[Column] ), "#FF0000",
    MIN ( 'Table'[Row] ) IN DISTINCT ( C_Yellow_Row[Row] )
        && MIN ( 'Table'[Column] ) IN DISTINCT ( C_Yellow_Col[Column] ), "#FFFF00",
    MIN ( 'Table'[Row] ) IN DISTINCT ( C_Green_Row[Row] )
        && MIN ( 'Table'[Column] ) IN DISTINCT ( C_Green_Col[Column] ), "#00FF00",
    MIN ( 'Table'[Row] ) IN DISTINCT ( C_Blue_Row[Row] )
        && MIN ( 'Table'[Column] ) IN DISTINCT ( C_Blue_Col[Column] ), "#0000FF",
    MIN ( 'Table'[Row] ) IN DISTINCT ( C_Gray_Row[Row] )
        && MIN ( 'Table'[Column] ) IN DISTINCT ( C_Gray_Col[Column] ), "#D0D0D0"
)

Please remember to close the interactions between different slicers so that you can choose value smoothly

If it doesn't meet your requirement, Could you please show the exact expected result based on the tables that we have shared?

By the way, PBIX file as attached.

Best regards,