Change color of transparent background #222
Description
Is your feature request related to a problem? Please describe.
The default white/gray checkerboard to represent a transparent background is quite distractrng.
Describe the solution you'd like
The ability to change the color(s) for representing a transparent background
Describe alternatives you've considered
The ability to make the checkerboard not align with the image pixels so it doesn't look like it's part of the image