Brooke Shields' white living room features bright red accent chairs and a light blue area rug for a space that feels ...

Those red-and-blue flashing lights are the deterrent value, showing those people in the criminal element that they are being watched 24/7.” Advertisement A lot of expensive equipment is kept on ...

Blue and red lights also can stand out, regardless of the time of day. Because blue is a fairly unique color to see in our natural world (besides a blue sky), it can stand out during the daylight.

Red and blue lights are used on U.S. police cars for many reasons, but the main one is that they are highly visible and easily distinguishable from one another.