Image via Complex Original
They spin, they whirl, they pulsate—or at least that's how it seems. Found across the Internet, these optical illusions use color, design, geometry, and shading to play tricks on your eyes. Some are composed of simple black and white lines while others are made of rainbow colors in a variety of shapes, but all the op art on this list has the power to mesmerize (or at least make you dizzy). Check out The 19 Craziest Optical Illusions on the Internet.
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Pin Wheel
These designs seem to get bigger and bigger.
Color Block
Instead of spinning, the lines in this illusion seem to crawl across the image.
Almond Art
Does this make anyone else crave almonds?
Jungle
It seems like these jagged pinwheels keep multiplying.
Starry Night
The shiny star shapes in this image make it seem like a vision from outer space.
Circles
Two colors and simple shapes make a very complicated image.
Gum Balls
The rainbow spheres in this illusion seem to move towards you.
Fractal
You can't help but be mesmerized by these wavy shapes.
Wall-Art
Black and white was never so exciting.
Canvas
These red and blue shapes spin into eternity.
Swirly
This multi-color design seems to spiral into the distance.
Visual Vibrations
This vibrating image combines two bright colors, producing afterimages that interfere with one another.
Tie-Dye
These concentric circles make you want to fall right into this image.
Optical Ripple
A kaleidoscopic array of colors warps into a rainbow illusion.
Dots
The combination of blurry graphics and geometric shapes make this design move before your eyes.
Skull
The skull in the center appears to pulsate. Blue and yellow, two high-contrast colors, were added to enhance the moiré effect of the image.
Maze
Do you feel dizzy yet?
Illusion Wallpaper
This wallpaper will make you second guess your glasses prescription.
Connect Four
Connect Four never looked so trippy.