Try adding some photos to your ideabook that show the colorful beach look you want. If you are the owner, you can paint the cabinets any color you like. If you are not the owner, ask the landlord to have the cabinets professionally painted for best results.

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Dark brown sofa and rug do not say beachy to me I would use a soft blue for the walls some white and blue pillows on the sofa a light colored rug , the white cabinets will help. Sea Foam BM might be a nice wall color, a rug mostly cream and blue with maybe a touch of yellow or coral just keep everything pretty light