er_2.html">lancaster_2</a></code> for secondary colours of Lancaster University;
<code><a href="https://rdrr.io/pkg/unikn/man/seecol.html" class="external-link">seecol</a></code> for viewing and comparing colour palettes;
<code><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/uni