Fix to trilat control for colours
Fix to trilat control for colours

Missed from previous commit

jeoffman/EDDiscovery,mwerle/EDDiscovery,jgoode/EDDiscovery,vendolis/EDDiscovery,jeoffman/EDDiscovery,vendolis/EDDiscovery,mwerle/EDDiscovery,jgoode/EDDiscovery,jthorpe4/EDDiscovery