A picture would be helpful. You could use the couch as a "divider" if you feel the need to make it appear as two rooms.

It is one room so you should treat it as such. You should use some of the same colors in both spaces and the same general look of the furniture. Not two different styles.

this is the floor plan. the photos you see of the furniture is the sample apartment in the complex but as you can see the two rooms connect.

I think you're asking if the color palettes are too different, or should you have a similar palette in both rooms? I think you need to combine them somewhat; if you have mostly black and brown in the dining area, then be sure you have some black and brown in the living room and vise versa.

You may be combining too many colors to have a cohesive look in either place. But if you have the larger pieces one or two colors (rugs, walls, sofa, etc) with a small amounts of the other colors, you might be okay.

this is an idea of how my dining area will be. i have a white dining set and wanted the industrial pieces to offset all the white.

It IS the same room. You need a single design plan that also emphasizes the different uses.