What is the name of the phenomenon when the screen blink in presence of close stripes' design?

if you scroll in presence of close strips' design the screen will blink. What is the name of this design's phenomenon?

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let's scroll and appreciate the phenomenon ;)!

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any hint would be great :),

thanks!

Great design resource

100 Things Every Designer Needs to Know About People (Voices That Matter) Submitted June 16, 2019 at 05:45AM by JoonDoe http://bit.ly/2Kjpzf5