title: Angular material change tick color inside mat-checkbox
body: <p><a href="https://i.stack.imgur.com/zDeEb.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/zDeEb.png" alt="enter image description here" /></a></p>
  <p>I'm trying to change the tick color inside the mat-checkbox from white to black, but I cannot find the CSS  class for the tick mark, anyone please help?</p>