COLOR HAS REAL psychological effects. It can calm and relax you, or it can make you feel angsty and on edge. I first learned about the power of color when I was ten years old, and I learned it the hard way. We had just moved into a new house and, for the first time in my life, I had my own room. Naturally, I decided that my room would be painted pink. After obsessing over the paint swatches for a couple days, I ignored my parents’ very reasonable understanding of how paint works (it never looks as intense on the swatch as it will in real life) and chose a dark pink, almost the color of salmon.

As soon as we finished painting, ...

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