doc/preview/hello-color-css-background.svg

<svg width="96" height="25" viewBox="0 0 96 25" xmlns="http://www.w3.org/2000/svg">
  <g>
    <style>
      .content {
        fill: black;
        font: 16px sans-serif;
      }
    </style>
    <rect
      x="0"
      y="0"
      width="96"
      height="25"
      fill="rgb(127, 255, 212)">
    </rect>
    <text
      x="50%"
      y="50%"
      class="content"
      dominant-baseline="middle"
      text-anchor="middle">
      Hello Color
    </text>
  </g>
</svg>