There exist within the federation more than one flag generator and they differ like night and day.
The ruby server created gradients from one color to a lighter color above.
The Flagmatic plugin approximates the ruby server but with slightly different colors.
Both Ruby and Flagmatic suggest daytime images.
The Node server creates gradients from a color to a darker version of the same color.
The Node flags, the ones we get by default now, suggest nighttime.
We can say new sites are born in the dark and see their dawn about the time the owner discovers Flagmatic.