The lighting research is clear: Warm light, particularly when it’s dimmer, helps us feel relaxed, creative, and sociable.It’s no coincidence that the Scandinavian way-of-life, hygge (described in detail here), features candles and firelight. Cooler brighter light encourages us to be more active, to focus on a mental task, and in short, get things done.It’s great for hallways, exercise areas, and many offices (at least when creative thinking isn’t a priority). You can tell whether a light bulb will produce warm…