anchor" href="#format"></a></h2>
    <p>An object of class <code>character</code> of length 7.</p>
    </div>
    <div class="section level2">
    <h2 id="source">Source<a class="anchor" aria-label="anchor" href="#source"></a></h2>
    <p>Colour definitions are based on the
<a href="https://www.ox.ac.uk/public-affairs/style-guide/digital-style-guide" class="external-link">Digital style guide</a>.</p>
    </div>
    <div class="section level2">
    <h2 id="value">Value<a class="anchor" aria-label="anchor" hr