<!DOCTYPE html>
<p>The alpha component of accent-color should be ignored, and the form control
should be drawn as if alpha fully opaque.</p>
<div>
<input checked type=checkbox style="accent-color:rgba(255, 0, 0, 1)">
</div>
<div>
<input checked type=radio style="accent-color:rgba(255, 0, 0, 1)">
</div>
<div>
<input type=range style="accent-color:rgba(255, 0, 0, 1)">
</div>
<div>
<progress style="accent-color:rgba(255, 0, 0, 1)" max="100" value="50"> 50% </progress>
</div>