<div>
    Graphical representation of the selected color palette within the HCL color
    space using the <code>hclplot</code> function of the
    <code>colorspace</code> package.  Depending on the palette type the "color
    pane" goes along different dimensions. Please note that this feature is
    in its <b>beta state</b> and still <b>under development</b>.
</div>
