I've never heard of it but it may be possible. I would think a trait like that would be lost on an auto, because they don't really care what time of year it is, more likely to see something like that on a photo plant.. but this would be the first instance I've heard of. Now the temps can make the colors change but to me it looks like your stopping photosynthesis, and the leaves are done doing work. Unless you changed light spectrum and the chloroplasts or whatever changed to carotenoids or something. But I don't know.
Hmmm ... I changed from a Blue CFL to a dual spec HPS then changed to a brand new HPS that isnt dual spec about 3 weeks ago