Monochrome Pie in JavaScript

var options = {
  series: [820, 932, 901, 1290, 1330, 1520],
  chart: {
    width: 380,
    type: 'pie',
  },
  labels: ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],
  theme: {
    monochrome: {
      enabled: true,
    },
  },
  plotOptions: {
    pie: {
      dataLabels: {
        offset: -5,
      },
    },
  },
  grid: {
    padding: {
      top: 0,
      bottom: 0,
      left: 0,
      right: 0,
    },
  },
  dataLabels: {
    formatter(val, opts) {
      const name = opts.w.globals.labels[opts.seriesIndex]
      return [name, val.toFixed(1) + '%']
    },
  },
  title: {
    text: 'Orders by Day of Week',
    align: 'center',
  },
  legend: {
    show: false,
  },
}

var chart = new ApexCharts(document.querySelector('#chart'), options)
chart.render()