Is there an easy way to utilize the color attribute fields of LF product raster attribute tables to map and apply this color symbology (RGB) to the raster in Arc?

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Answer

A significant aspect of managing each map layer is the ability to set a wide array of layer properties in the Properties dialog box. To display as LANDFIRE displays on the viewer:

ArcMap:

Right click the layer in ArcMap
Click on Properties
Click on Symbology
Select Unique Values
In Value Field use the dropdown to select the desired field
To display your data in the same way that the map viewer does, select the "Name or Label" field

ArcPro:

Right click on the layer in ArcPro and select Symbology
A dialog box will open, under Primary Symbology select Unique Values from the dropdown list
Below that box, you will see Field 1, use the dropdown to select the desired field for display
To display your data in the same way that the map viewer does, select the "Name or Label" field

It may also be helpful to review the "Setting layer properties" on the ArcMap web page or ArcPro web Page prior to working with LANDFIRE products.