Blue light has a powerful effect on your body clock, ... It changes the background from white to black. Install blue light-filtering apps on smartphones, tablets, and computer screens.

Performances in N.Y.C. Advertisement Supported by The Empire State Building honors New York City Ballet’s 75th anniversary by lighting up in blue, favored by George Balanchine as a backdrop. By ...

Light blue is a cool tone that, when paired with other cool tones like lilac, works to create a tranquil, restful space. However, it also makes a great backdrop for punchier accent hues, like hot ...