Hacker News with Generative AI: Visual Perception

Find the Odd Disk (alessandroroussel.com)
Click the disk that's a different color. Use your eyes only! Clique sur le disque qui est d'une couleur différente. Utilise seulement tes yeux ! Haz clic en el disco que tiene un color diferente. ¡Usa solo tus ojos!
How much oranger do red orange bags make oranges look? (alexanderell.is)
Look at this orange:
Bullseye – An optical illusion. These circles are concentric (futilitycloset.com)
An optical illusion. These circles are concentric.
Using the moiré effect to show different arrows to each observer (2018) (popularmechanics.com)
Research on the visual rabbit illusion takes a leap forward (kyushu-u.ac.jp)