Gets or sets a color string used to represent the background color of the Spread component, such as "red", "#FFFF00", "rgb(255,0,0)", "Accent 5", and so on.

var instance = new GcSpread.Sheets.Spread(host, options);
var returnValue; // Type: Object
returnValue = instance.backColor(value);

function backColor( 
   value : string
) : Object;

activeSpread.backColor("red");