Color Issue Please Help

okay i'm having weird , odd issue regarding colour , gradients of pictures on computer when i'm on internet. hard explain if really black colours whitening greyish pixels. guess blacks aren't in sync? frustrating @ first thought program menubarfilter menu bar black when disabled via activity monitor colour issue still persists, can see blacks recommendations? please help!!!

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if guys don't know i'm talking heres example...i took screenshot don't know if able see, if screen problem or there wrong anyway here is



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update: okay weird, rebooted mac , colours when way suppose to...im 100% sure weird , not suppose happen answers?

 

no not weird. not rebooting computer cause of many problems.

why mac users think can put there computers sleep days/weeks/months , not have problems beyond me.

on try rebooting regularly. works.

 

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