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

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

Optical Illusion: What you see at first glance tells how you handle problems in life

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

Fun with Ambiguous Images - Art of Play

Staring at this optical illusion for two minutes 'makes world look very different' - Mirror Online

What are some examples of optical illusions? - Quora

The Circles in This Optical Illusion Are the Same Color

Optical Illusions - THIS LITTLE CLASS OF MINE

Everyone sees this optical illusion differently, so does the outline look red or blue to you?

Optical illusion proves to be a mind-bender: What do you see? - 9Honey