https://www.youtube.com/watch?v=4DjdJydl-ds
Imagine a Jukola night with everyone wearing these.
Years ago before LEDs were mainstream, I used a grid of blue and green XM-L Cree LEDs for a monster headtorch with a soft alternative to the much harsher whites. LEDs have gone a long ways in just 5-6 years though.
All I would be able to see is the other suit; George watch out for that tree!