<!DOCTYPE html>
<meta charset="utf-8">
<title>Gradient interpolation with single stop that has missing components</title>
<link rel="author" title="CGQAQ" href="mailto:m.jason.liu@gmail.com">
<link rel="help" href="https://www.w3.org/TR/css-color-4/#interpolation">
<meta name="assert" content="Gradients with single color stop that having missing components should resolve to zero.">
<link rel="match" href="gradient-single-stop-none-interpolation-ref.html">
<style>
  div {
    height: 100px;
  }

  #basic {
 