    An immutable 32 bit color value in ARGB format. <a href="dart-ui/Color-class.html">[...]</a>
        </dd>
        <dt id="ColorFilter">
          <span class="name "><a href="dart-ui/ColorFilter-class.html">ColorFilter</a></span>         
        </dt>
        <dd>
          A description of a color filter to apply when drawing a shape or compositing
a layer with a particular <a href="dart-ui/Paint-class.html">Paint</a>. A color filter is a function that takes
two colors, and outputs one color. When ap