Aseprite is a wonderful program (even more so because it is truly free), and as it is the choice for many different artists, animators, and game developers, there are thousands of styles all being used in Aseprite. Those different styles are all designed for different environments, with different brightness’s. While this can be accommodated by drawing your own background, a simple brightness shift setting for the background checkerboard would be a nice touch. Thank you for this wonderful program, keep up the good work!
Hi there, glad you enjoy it. This can be changed in Edit > Preferences > Background.
Oh, my bad! Sorry for wasting your time D: