piskel/templates/palettes-list.html

<div class="toolbox-container palettes-list-container">
  <h3 class="toolbox-title palettes-title" style="overflow:hidden">
    <span style="line-height:24px ">Palettes</span>
    <select class="palettes-list-select">
      <optgroup class="palettes-list-select-group" label="Available palettes">
      </optgroup>
      <optgroup label="Admin">
        <option value="__manage-palettes">Create and Manage palettes</option>
      </optgroup>
    </select>
  </h3>
  <div class="palettes-list-colors"></div>
</div>


<script type="text/template" id="palette-color-template">
  <div class="palettes-list-color" data-color="{{color}}" title="{{color}}">
    <div data-color="{{color}}" style="background:{{color}}"></div>
  </div>
</script>