><a href="#type-color_index.color_index" class="anchor"></a><code><span class="keyword">| </span></code><code>`color_index<span class="keyword"> of </span>int</code></td></tr></table><code> ]</code></dt><dt class="spec type" id="type-monochrome"><a href="#type-monochrome" class="anchor"></a><code><span class="keyword">type </span>monochrome</code><span class="keyword"> = </span><code>[ </code><table class="variant"><tr id="type-monochrome.monochrome" class="anchored"><td class="def constructor"><a href="#ty