e><a href="printDebug.html">printDebug()</a></code> to use subtle alternating light/dark colors
for vector output. It takes a color and returns two colors
which are slightly lighter and darker than each other,
to a minimum contrast defined by <code><a href="https://colorspace.R-Forge.R-project.org/reference/contrast_ratio.html" class="external-link">colorspace::contrast_ratio()</a></code>.</p>
    </div>
    <div class="section level2">
    <h2 id="see-also">See also<a class="anchor" aria-label="anchor" hre