title: How to handle color contrast accessibility issue on disabled button
body: <p>There's a button conditionally disabled, and the disabled button is greyed out.</p>
  
  <p><br /></p>
  
  <p>The background color is  <code>#e0e0e0</code> and the text color is <code>#a6a6a6</code>, so the contrast ratio is 1.84 out of a required 4.5. I was wondering if there's any way to skip the color contrast check on the disabled button.</p>
  
  <p><br />
  It already has the <code>aria-disabled</code> property now.</p>