Earlier quoted context omitted.
I don't think its a "l33t" thing its just cultural. A fair number of engineers grew up with old computers that looked like this: https://i.imgur.com/WERwVsS.jpg Personally I learned to code on an old cathode ray tube monitor with green text, hooked up to a Tandy 1000. The CRT made a lot of heat and emitted a faint electronic tonal noise when it was running. I think the use of green color in terminals today is kind of…
The eyes are more sensitive to either yellow-green or blue-green, depending on whether there is light or little of it. Amber/orange/yellow was probably the second most popular choice for terminals back then.
my daily driver is grey-on-black these days for that reason, though I keep a warm-and fuzzy green-on-black with vt220 font and slow-baud emulator around for the occasional one-off shell command.