chromium/chrome/browser/resources/print_preview/ui/color_settings.html

<style include="print-preview-shared md-select">
</style>
<print-preview-settings-section>
  <span id="color-label" slot="title">$i18n{optionColor}</span>
  <div slot="controls">
    <select class="md-select" aria-labelledby="color-label"
        disabled$="[[disabled_]]" value="{{selectedValue::change}}">
      <option value="bw" selected>$i18n{optionBw}</option>
      <option value="color">$i18n{optionColor}</option>
    </select>
  </div>
</print-preview-settings-section>