I don't possibly see how you could say that... visually, Doom 3 was a radical departure from Quake 3, which was a radical departure from Quake 2, which was a radical departure from Quake, which was radically different from Doom.
Outside of brown there's not much of a common denominator, and even then Quake 3 was pretty vibrant and Doom 3 leaned toward black instead.