Mirrors, warm-white walls and layered daylight bulbs: how to make a dim room read bright all afternoon.
Low daylight is a design constraint, not a verdict. Start by bouncing what light exists: pale walls in a warm white, a large mirror opposite the window, and glossy or glass side tables that throw brightness around.
Then layer artificial daylight. A high-CRI floor lamp in the dark corner, sheer rather than heavy curtains, and picture lights that keep art glowing after dusk all trick the eye.
Choose plants that forgive shade, like pothos and peace lilies, and keep the palette light. The room will read bright even on grey afternoons.