It's not the only color for a cause. Purple probably won't be the only porch light color you'll see. People use red porch lights to highlight women's heart health. And blue porch lights, like blue ...

Red lights: Red porch lights could represent support for American Heart Month if you see them in February since the color red is associated with heart health and awareness. Blue lights: Blue lights ...

If you’ve been driving down the road at night and wondered to yourself, “Why are these streetlights purple?” — we have your ...

Have you ever noticed purple street lights while driving? It's definitely odd, and there's a lot of speculation as to why this happens. Here's what we know.

The bright, glowing purple hues oddly pop among the traditional green, yellow and red stoplights and white roadway lighting. And no, it's not the county's way of adding holiday color magic to its ...

Such is the case for the sweeping purple and green lights that can hover over the horizon in the Northern Hemisphere. The phenomenon looks like an aurora but is in fact something entirely ...

One is to combine tiny LED lights that each emit red, green or blue into a single big device. The other is to use only blue LEDs but coat them with a type of fluorescent substance called phosphor.

When we see the color pink, otherwise known as fuchsia or magenta, what we are actually seeing is a mix of red, blue, and purple light — light colors that don't intersect in a rainbow so there's ...

Since 2006, Purple Light Nights spread nationwide to 32 American states and 4 Canadian provinces. But with this campaign in existence, anyone can use it as inspiration to adorn their house with ...