Default Help Weird Scrolling

Hi. Is it normal to have this weird effects when you scroll through a dark/black background? For example Titanium Backup. Go through the app list page and scroll. There is this pinkish blur effect thing going on. It's not present in all apps like settings, my files and etc. Just some apps like Themer and TB with dark backgrounds.

Please do respond so I can remedy my screen if it's broken or something lol. Thanks!
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