What's My JND? 0.0089 Can you beat it? https://www.keithcirkel.co.uk/whats-my-jnd/?r=A30iKP__7_Hb #WhatsMyJND
.0037. IIRC it is possible to get a better score by looking around the screen, your peripheral vision might be somehow more sensitive. I can see what they mean about .02 though. If I weren’t specifically looking for difference that’s where the colors become less noticeable.
I got 0.0039. Peripheral vision helps a lot. My eyes, at least, are very differently sensitive to different colors. It's really difficult to discriminate with bright and pink like colors. Easier with darker colors.