title: How can I create a multi layer pie chart with Highchart?
body: <p>I am new in highchart and i want to create a pie chart in which some % of slice should be colored by darker version of it's color like below in picture.<a href="https://i.stack.imgur.com/huyih.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/huyih.png" alt="enter image description here"></a></p>
  
  <p>and if slices are <strong>more than 8</strong> than there is a slice <strong>named "Others"</strong> with <strong>drilldown</strong>.
  Please help.
  Thanks in advance.</p>