We asked designers to weigh in on TikTok’s “unexpected red” theory, which is among the trendiest and easiest ways to upgrade a space. Below, experts explain everything there is to know about the unexpected red theory, including tips on how to make it work in your space. Heather TalbertWhy is the "unexpected red" theory going viral? Yes, a red room can be jarring if not done correctly, but a splash of red doesn't hurt anyone! Add to Google settingsHow to add some unexpected red to your homeIs pulling off the red color theory as easy as it looks?