This is pure excellence! Get a time machine, go travel to 1993 and apply for a state of a designer in Square/Enyx.
Couldn't hold it, you did wrong man! Awesome job! =D
Yes, I also thought about this I say, I realized that I used a very similar color palette, I have to change this, although not simple, not very well how to do it: S
man, I'm such a sucker for tilesets. really nice. :)
In shelves you use yellow colour for light, but this colour missed for chairs and table. Maybe must add some yellow for light because all elements are with wood material.
Else I like all elements.
Nice! This has that old Enix feel to it with looking too muddy or dark.