n>
<span class="sd">        </span>
<span class="sd">    Returns:</span>
<span class="sd">        :returns: </span>
<span class="sd">            | ndarray with DEi [, DEa] or other as specified by :out:</span>
<span class="sd">            </span>
<span class="sd">    References:</span>
<span class="sd">        1. `Sharma, G., Wu, W., &amp; Dalal, E. N. (2005). </span>
<span class="sd">        The CIEDE2000 color‐difference formula: Implementation notes, </span>
<span class="sd">        supplementary test 