ithOpacity</span> method</h1></div>

    <section class="multi-line-signature">
      <span class="returntype"><a href="dart-ui/Color-class.html">Color</a></span>
            <span class="name ">withOpacity</span>
(<wbr><span class="parameter" id="withOpacity-param-opacity"><span class="type-annotation"><a href="dart-core/double-class.html">double</a></span> <span class="parameter-name">opacity</span></span>)
      
    </section>
    <section class="desc markdown">
      <p>Returns a new color that matches