Everyone sees this optical illusion differently. Does the outline look red or blue to you?

What is the colour of the outline - blue or red?, Viral News, Times Now

Photos of Mind-Boggling Optical Illusions and How They Work

A Century-Old Optical Illusion: Can you Spot an Old Woman & a Young Girl in 20 secs?

This legs optical illusion is causing a new 'blue and black dress' style debate - what do you see? - Irish Mirror Online

Chromostereopsis : r/pics

How many colours do YOU see? Strange optical illusion divides the internet

What are optical illusions, and how do they trick our visual system? - Quora

Does it mean anything if you see both images in an optical illusion? - Quora

Category: Optical Illusions - THIS LITTLE CLASS OF MINE

12 fascinating optical illusions show how color can trick the eye - The Washington Post

Does it mean anything if you see both images in an optical illusion? - Quora

Everyone sees this optical illusion differently. Does the outline look red or blue to you?

Does everyone see colors differently? Is there a way to tell and how do we name a color? - Quora

What are some examples of optical illusions? - Quora

Learning How to Un-See — Cliff Guren