Required library edition:
Required library file: dhtmlxgrid.js

gets the background color of the cell set by method setBgColor.
If setBgColor wasn't called for the cell the method returns ”#FFFFFF”.

Returns: string

//colors the cell in red in 2 different ways
mygrid.cells("row1",1).setBgColor('red'); 
mygrid.cells("row1",3).setBgColor('#ff0000');
...
mygrid.cells("row1",1).getBgColor(); // -> "red"
mygrid.cells("row1",3).getBgColor(); // -> "#ff0000"

See also: setBgColor