The right lighting can lift your spirits and make you more relaxed and productive.

The right lighting can lift your spirits and make you more relaxed and productive.

Any experienced designer will tell you that lighting is an essential ingredient when you’re decorating a room — not the afterthought that many of us consider it.

If you’re tempted to spend more of your time picking out furnishings or puzzling over layouts, remember that LED lighting can completely transform a space — not just by brightening dark corners, but by affecting your emotions.

“Light is a powerful thing,” said Theo Richardson, the director of development at Rich Brilliant Willing, the Brooklyn-based design studio known for its striking LED fixtures, which he founded with Charles Brill and Alexander Williams. “The right light lifts the mood, insp