rug colors (home decor)...with POLL (ADDED MORE PICS OF FURNITURE to help)

so we are ordering more furniture to complete our 'living room' area (which is divided with our dining room.....we are getting a dark wood entertainment center, a brown leather couch, and i already have an olive/neutral love seat which i love.

wall colors are like a light peanut butter. and we have a brick red accent wall on the other side.

i want to distinguish the dining room, which is light wood flooring from the living room area....so....
what rug ties everything in together?

i dont want dark, since the couch and entertainment piece will be dark, and its a small space.... but i want everythign to look cohesive. (i realize the olive chair doesnt exactly match, but its still in the neutral family).

any of these?

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