How does the cool light work? I am concerned that some fluorescent or LED bulbs give off that Safeway/grocery store yucky ambiance, but I want to feel more ener

How does the cool light work? I am concerned that some fluorescent or LED bulbs give off that Safeway/grocery store yucky ambiance, but I want to feel more energized at work. Can you link to any models you bought, just simply light bulbs? I lack lighting desperately.