Required library edition:
Required library file: dhtmlxgrid.js

sets the background color for the cell

• value- (string) the color value.
  Can be specified as:
  • Predefined/Cross-browser color name
  • Hexadecimal color

mygrid.cells("row1",1).setBgColor('red');      // Predefined/Cross-browser color name
mygrid.cells("row1",3).setBgColor('#ff0000');  //Hexadecimal color

See also: getBgColor