Originally Posted by Sir Ementaler

True, but this never looks really well, especially in case of more detailed things (like sprites) behind it. Sucks even more when the transparent thing is supposed to have a shape itself. Even using that built-in "Translucent" option is a smarter thing to do.


As I'm not using the Paint.net, the only thing I can suggest is to download TilesetPal instead, since it's a tool made specifically for JJ2 tilesets and so it's the easiest in use color reduction program for them. Do whatever you want though.