Install a skylight if the hallway is in a one-story structure or on the top level. Or, install a window on either wall, which allows in natural light and also provides additional scenery. To make these changes, you must be the owner of the property.
Install recessed lighting that doesn't intrude into any hall space or track lighting on the hallway ceiling as an alternative. Place a series of sconces along one or both walls to illuminate the path in the hallway.
Place a series of light-colored area rugs along the length of the hallway. Choose from an endless array of rug designs to add a dash of style, along with a boost of brightness.
Install mirrors on the hallway walls, which reflects any light inside the hallway and provides the illusion of brightness. Place a mirror at the end of the hall, on the wall or on the door to provide a visual destination while walking through it.
Paint the hallway walls a light, neutral color. Or, paint the walls with a glossy paint, which reflects any light, similar to mirrors.
Place an upholstered chair that has an attractive, fancy fabric in the hallway for seating.
Place an eye-catching accessory, such as a vintage clock, against a wall in the hallway.