Bright reds I may live in florida but my story began in arizona shirt . Oranges, and yellows are on the warm end of the color spectrum and stimulate our brains to release the hormone dopamine, which increases energy and attention. Red is the most powerful color in this group, representing passion as well as danger, and prompting action and activity. Orange is similar to red, but softer, and represents fun and positive energy. Yellow is a psychologically stimulating color and makes us think of joy and sunny days, but is actually the most difficult color for our eyes to look at and can increase anxiety. Wear these colors in small amounts, such as buttons on your cuffs, as part of a pattern with other colors, or even as a boldly colored belt, and these strong hues will have enough of an impact without becoming overpowering.