chart.js 2.1

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.1.0/Chart.bundle.min.js"></script>
<canvas id="applauseChart"></canvas>

JavaScript

Chart.pluginService.register({
		afterDraw: function (chart, easing) {
			if (chart.config.options && chart.config.options.scales) {
				if (chart.config.options.scales.xAxes)
					chart.config.options.scales.xAxes.forEach(function (xAxisConfig) {
						if (!xAxisConfig.color)
							return;

						var ctx = chart.chart.ctx;
						var chartArea = chart.chartArea;
						var xAxis = chart.scales[xAxisConfig.id];

						// just draw the scale again with different colors
						var color = xAxisConfig.gridLines.color;
						xAxisConfig.gridLines.color = xAxisConfig.color;
						xAxis.draw(chartArea);
						xAxisConfig.gridLines.color = color;
					});

				if (chart.config.options.scales.yAxes)
					chart.config.options.scales.yAxes.forEach(function (yAxisConfig) {
						if (!yAxisConfig.color)
							return;

						var ctx = chart.chart.ctx;
						var chartArea = chart.chartArea;
						var yAxis = chart.scales[yAxisConfig.id];

						// here, since we also have the grid lines, set a clip area for the left of the y axis
						ctx.save();
						ctx.rect(0, 0, chartArea.left + yAxisConfig.gridLines.lineWidth - 1, chartArea.bottom + yAxisConfig.gridLines.lineWidth - 1);
						ctx.clip();
							
						var color = yAxisConfig.gridLines.color;
						yAxisConfig.gridLines.color = yAxisConfig.color;
						yAxis.draw(chartArea);
						yAxisConfig.gridLines.color = color;

						ctx.restore();
					});

				// we need to draw the tooltip so that it comes over the (redrawn) elements
				chart.tooltip.transition(easing).draw();
			}
		}
	});



		Chart.defaults.global.legend = {
			display: false,
			labels: {
				fontFamily: "'Open Sans', sans-serif",
				fontSize: 12,
				fontStyle: "bold",
				fontColor: "#545454"
			}
		};

		var ctx = $("#applauseChart");

		var data = {
			labels: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"],
			datasets: [
			  {
			  	label: "Applauses",
			  	fill: false,
			  	lineTension: 0,
			 ...