<canvas id="pie-chart" width="800" height="450"></canvas>

<script src="https://cdn.jsdelivr.net/npm/chart.js@2.8.0"></script>

<script type="text/javascript">
    new Chart(document.getElementById("pie-chart"), {
    type: 'pie',
    data: {
      labels: ["1 уровень", "2 уровень", "3 уровень", "4 уровень", "5 уровень",],
      datasets: [{
        label: "Population (millions)",
        backgroundColor: ["#ff6347", "#000ff80", "#00BFFF", "#00FF7F", "#f0f", ],
        data: [2,2,5,3,2]
      }]
    },
    options: {
      title: {
        display: true,
        text: 'Менторство уровней'
      }
    }
});
</script>