I got a 0.0035. I'm on a Dell U2724D monitor which is supposed to have decent color accuracy and I cranked up the brightness and contrast to a maximum so I'm sure that helped a somewhat. I also noticed squinting and closing my eyes for a bit sometimes helped when I felt stuck.

"Genuinely remarkable. You sailed past the theoretical human limit like it owed you money. I'd accuse you of cheating but I don't actually know how you'd cheat at this."

0.0032

I'm on a Vivo X300 pro in a dim room, max brightness. Some of these looked impossible but then suddenly I'd see the line.

https://www.keithcirkel.co.uk/whats-my-jnd/ #WhatsMyJND