tickColor: String

Sets the color of Tick Marks drawn for the axisY stripline. The value of tickColor can be a “HTML Color Name”, “hex code” or “rgb values”.

var  chart =  new  CanvasJS.Chart("container", {
 .
 .
 axisY:{
	stripLines: [
		{
		 tickColor: "red"
		}
	]
   },
 .
 . 
});
chart.render();