Help with these effects

[Rhave]

I guess the same question is asked over and over again but I'm not a professional so

Is generally speaking the one used on these videos. I'm talking about the "color" that has been "changed". I know it sounds a bit weird but it can be easily recognized by somone who watches One Piece.

https://www.youtube.com/watch?v=ohJNqclNFvk

https://www.youtube.com/watch?v=b_lmzJ6hizo

PD: Sorry for my english