title: Chart area background color chartjs
body: <p>I have problem with chart js, i want to coloring chart area like image above
  <a href="https://i.stack.imgur.com/stDav.png" rel="noreferrer"><img src="https://i.stack.imgur.com/stDav.png" alt="enter image description here"></a></p>
  
  <p>I try to find configuration from <a href="http://www.chartjs.org/docs/" rel="noreferrer">charJs Docs</a> , but nothing matched.
  its possible or not to change chart area background color?
  if possible anyone can help me?</p>
  
  <p>Html</p>
  
  <pre><code>&lt;canvas id="barChart" width="600" height="300"&gt;&lt;/canvas&gt;
  </code></pre>
  
  <p>Javascript</p>
  
  <pre><code>var ctx = document.getElementById("barChart");
  var barChart = new Chart(ctx,{
    type: 'bar',
    data: {
      labels:["Label1","Label2","Label3","Label4"],
      borderColor : "#fffff",
      datasets: [
        {
          data: ["2","3","1","4"],
          borderColor : "#fff",
          borderWidth : "3",
          hoverBorderColor : "#000",
          backgroundColor: [
            "#f38b4a",
            "#56d798",
            "#ff8397",
            "#6970d5" 
          ],
          hoverBackgroundColor: [
            "#f38b4a",
            "#56d798",
            "#ff8397",
            "#6970d5"
          ]
        }]
    },
    options: {
      scales: {
        yAxes: [{
          ticks:{
            min : 0,
            stepSize : 1,
            fontColor : "#000",
            fontSize : 14
          },
          gridLines:{
            color: "#000",
            lineWidth:2,
            zeroLineColor :"#000",
            zeroLineWidth : 2
          },
          stacked: true
        }],
        xAxes: [{
          ticks:{
            fontColor : "#000",
            fontSize : 14
          },
          gridLines:{
            color: "#fff",
            lineWidth:2
          }
        }]
      },
      responsive:false
    }
  });
  </code></pre>
  
  <p>Here's my current code <a href="https://jsfiddle.net/pajarft/a9hmnd9L/" rel="noreferrer">jsFiddle</a> </p>
  
  <p>so everyone can try for find solution.
  thanks for your help.</p>