Perhaps somewhat related to this report
, it seems that the colour box seems to be offset weirdly when used along with high resolution fonts.
Screenshot is from a project called Rain by el zee. I would put together a quick test file if I could, but that would be disrespectful, since I don't currently have any resources of my own ready for testing. So I'll link to the project here: http://elzee.co.nz/elzee/rain.zip