I'm watching QVC Christmas in July (it's on 24th & 25th) and they're doing lights.
Fashions change with decorations (but I don't adhere too much. My decorations are a glorious mish-mash collected over 22 years).
I do themes in different rooms and I vary year to year (gold/bronze in one room, silver/glass in another, traditional Victorian elsewhere).
I've noticed a trend in lights over the years
When I was younger it was coloured lights.
The Millenium Christmas was blue (with silver and lilac)
Then bright white especially the LED
Last year , the golden toned lights were the most displayed.
What's on the horizon for this year. Anyone working in retail, ordering in Christmas stock. You could give us a tiny clue......