Hello Steven,

You can bind to the igPivotGrid.pivotGridHeadersRendered event and get access to the headers TABLE DOM from where you can apply your formatting logic.

Here is an example:

$("#pivotGrid").on("igpivotgridpivotgridheadersrendered", function(evt, ui) {

ui.table.find("[data-member='0'][data-tuple='1']").css("background-color", "green");

});

Note: In this case you need to know the data member and data tuple indexes.

Best regards,
Martin Pavlov
Infragistics, Inc.