ode><a href="https://rdrr.io/pkg/unikn/man/usecol.html" class="external-link">usecol</a></code> for using colour palettes;
<code><a href="https://rdrr.io/pkg/unikn/man/simcol.html" class="external-link">simcol</a></code> for finding similar colours;
<code><a href="https://rdrr.io/pkg/unikn/man/newpal.html" class="external-link">newpal</a></code> for defining new colour palettes;
<code><a href="https://rdrr.io/pkg/unikn/man/grepal.html" class="external-link">grepal</a></code> for finding named colours.</p>
<