If you live in an American city, chances are you have seen this house: Its exterior is gray with monochromatic accents. Maybe there’s a pop of color — a red, blue or yellow door. The ...

American designer Joe Doucet has developed a pigment that changes color, depending on the temperature. It could be a game changer for people living in the world’s temperate zones.

He also notes that new climate-responsive paints need not only change from white to black: “You can tint this pretty much any color,” he explained. A house could turn light blue in warmer ...

Rasmussen, the color enthusiast, has been on the hunt for a house in D.C. She dreams of a brightly colored home: a bright pink, she mused, or maybe canary yellow.