The true story of the Windows 3.1 'Hot Dog Stand' color scheme - https://news.ycombinator.com/item?id=46247605
Something about red text on a yellow background made pixel-level details on my television set seem much crisper. The default light-blue on dark blue, for instance, was much blurrier. I'm not sure if it was an illusion, or something actually grounded in the display technology of old CRTs.