What is magenta shadow in anime and what does it mean?

What is magenta shadow in anime and what does it mean? - Cats in the shadow

This question has haunted me for a long time! I was trying to search for anything I could find, but I have not found the answer.

In anime, there are moments where the "camera" gets a weird purple border glow, usually on the bottom.

Screenshot from anime "Gabriel Dropout", showing two main characters, one is smiling with a bit of smugness and the other is surprised, having comically large eyes showing realization of the situation

Here's an example of what it looks like in Gabriel DropOut episode 4. In this case, it only appears on one character.

My best guess is that it represents some kind of emotions the characters have.

It could be that I don't have the right vocabulary and that's why I didn't find anything using search engines, but I'm really interested in the meaning behind this artistic choice.






Pictures about "What is magenta shadow in anime and what does it mean?"

What is magenta shadow in anime and what does it mean? - Photo of Cat Standing on Top of a Book
What is magenta shadow in anime and what does it mean? - Camel walking on pink surface in sunny day
What is magenta shadow in anime and what does it mean? - Dog on Concrete Road





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Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.

Images: Lubomir Vladikov, Klaudia Ekert, The Lazy Artist Gallery, Daniel Frank