2>
    <p>Note that 
<a href="https://en.wikipedia.org/wiki/Shades_of_orange#Princeton_orange" class="external-link">Wikipedia: Shades of orange</a> 
defines <code>princeton_2[1]</code> as "Princeton orange".</p>
<p>The color <code>"white"</code> was added to enable symmetrical color gradients.</p>
    </div>
    <div class="section level2">
    <h2 id="see-also">See also<a class="anchor" aria-label="anchor" href="#see-also"></a></h2>
    <div class="dont-index"><p><code><a href="princeton_0.html">princeton