Wouldn't the 2 colour schemes serve their own purpose? they both look cool and seem to work in the pictures, as it has been mentioned, I would go with what is the atmosphere of the level. I mean if there is a lot of combat orientated then I would go with a red-ish type tint. Though if you have more of a puzzle type area, then I guess cool colours like a blue-ish type tint might be better suited to the area.
I side on that it is not about what looks right to an individual cause that is all subjective. It is more about what one is trying to do/accomplish that works within any given world/level/area, in any given game. That's the rule I follow.
Though that is not always the case as one might have puzzles or what not that might need to be completed under a strict limit or pressure so then advice above would have to be changed and vice versa.
That is my thoughts anyway, looks great what you got.
One day I would like enter/complete something
