sprite color palette modified by this H-Blank effect.</dd>
            <dt id="ad2a033a20e5c1d6c757d73b7cec81b3b">
              <span class="m-doc-wrap-bumper">auto <a href="#ad2a033a20e5c1d6c757d73b7cec81b3b" class="m-doc-self">color_index</a>(</span><span class="m-doc-wrap">) const -&gt; int</span>
            </dt>
            <dd>Returns the index of the color of the given sprite color palette to be modified.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">auto <a href="#acc6f91be8c