[xattt]

This would explain why so many people were dazed and confused by the PC tower blue LED craze of the early 2000s.

[IIsi50MHz]

I wouldn't claim dazed or confused for myself, but I _could_ read easily by them on my machines[1]. So I had make sure two were asleep, and the third…well, it thought it should blink a steady 1 Hz while in sleep. That one was also the brightest. There was no setting for the blink, so I had to unplug the LED to sleep.

[1] Not that everybody would agree. I've joked that I have Low-Light Vision.