This is interesting but the result must depend on the screen and the brightness, no? I tried it on a recent Pixel with brightness set to two-thirds, and this i

This is interesting but the result must depend on the screen and the brightness, no? I tried it on a recent Pixel with brightness set to two-thirds, and this is my result: https://www.keithcirkel.co.uk/whats-my-jnd/?r=ArggKP__c4_b https://www.keithcirkel.co.uk/whats-my-jnd/?r=ArggKP__c4_b