Are these dots blue or purple? Bizarre optical illusion will make you question your perception of colour - Mirror Online

#xa; The optical illusion involves a series of 1,000 dots ranging from very blue to very purple

Optical Illusions - FasterCapital

What are some examples of optical illusions that involve

Optical Illusions - FasterCapital

Are these dots blue or purple? This optical illusion will BLOW

Are these dots blue or purple? Bizarre optical illusion will make

Optical Illusions daily — What you see first in this mind-bending

Optical Illusions - FasterCapital

25 Optical Illusions That Prove Your Brain Sucks

Eerie optical illusion looks like it's MOVING but there's a trick

Are these dots blue or purple? Bizarre optical illusion will make

Eerie optical illusion looks like it's moving but there's a trick

Photos of Mind-Boggling Optical Illusions and How They Work

64 of the best internet optical illusions around: You won't