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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."

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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

Same score here on my MBP with an absolutely filthy screen. Reckon I could top the leaderboard if I cleaned it.

Same score and setup. Overhead lights were messing with me a bit as well as the vignetting in the browser. I wanna get sub 0.0030 now

Replying to myself. I also tried this with both my Samsung S25+ phone and LG G5 TV and repeatedly scored in the 0.003-0.005 range on both so it doesn't seem like the display makes that much of a difference for me.

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