ll stylish's new summoner's rift looks more colorful and contrasted

notice in this video of a streamer called (ll stylish) he's a zed main , he recently changed his pc and suddenly his summoner's rift colors look way more colorful i'd like to know how he pulled that out i want my summoner's rift to look like this heard of a program called sweetfx but im not sure. if anyone knows anything about this please provide us with guidance