var ctx = document.getElementById('myChart').getContext('2d');
    var myDoughnutChart = new Chart(ctx, {
        type: 'doughnut',data: {
            labels: ["Red", "Blue", "Yellow"],
            datasets: [{data: [300, 50, 100],
                backgroundColor: ["rgb(255, 53, 92)","rgb(1, 145, 255)","rgb(255, 186, 45)"]
            }]
        }
    });