Enter any conversation about interior color, and you will hear a familiar set of confident pronouncements. Reduces your heart rate. The blue soothes you. Grenheals. Shoutow makes you happy but somehow also makes babies cry. These claims saunter through design blogs, paint brand marketing, and wellness literature with the smooth authority of settled facts. They seem true. They are repeated so often that it seems almost perverse to question them. The image contrasts the folklor