On Mar 11, 2019, at 08:39, SuStel <sustel@trimboli.name> wrote:

KGT says that neither Doq nor SuD include violet or purple, and suggests without stating outright that this may be related to the Klingon visual range.

Blargh. Clearly I need to re-read KGT. Thanks. Maybe purple is just “ultra-{SuD}” then.