 class="n">np</span><span class="o">.</span><span class="n">dot</span><span class="p">(</span><span class="n">_CMF</span><span class="p">[</span><span class="n">cieobs</span><span class="p">][</span><span class="s1">&#39;M&#39;</span><span class="p">],</span><span class="n">xyzb</span><span class="o">.</span><span class="n">T</span><span class="p">)</span><span class="o">.</span><span class="n">T</span> <span class="c1"># convert to l,m,s</span>
        <span class="n">rgbb</span> <span class="o">=</span> <