Feeling creative? Credit the color green

German researchers found that when people glanced at the color green for two seconds before doing a creative task, it boosted their creative output compared to briefly looking at other colors, including white, grey, red, and blue.

In the study, which is published in the journal Personality and Social Psychology Bulletin, scientists gave 69 men and women two minutes to write down as many uses as possible for a tin can. Then a coder rated each idea for its creativity and cleverness.

Before beginning the creativity test, half were shown a green rectangle and the other half saw a white rectangle.

Participants who saw green before the task produced more creative ideas than those who saw white. The "green effect" as the researchers dubbed it, was also observed in creativity challenges that pitted the color against those seeing a quick flash of grey, red, or blue. Does seeing green fuel creativity because it reminds starving artists, musicians, and writers of cash and the need to pay their bills, so the wheels in their head start turning? That's not how study author Dr. Stephanie Lichtenfeld explains it. She suggests the link between green and creativity is that it's a signal of growth. Not only physical growth as in growing plants, but also psychological growth.

"Green may serve as a cue that evokes the motivation to strive for improvement and task mastery, which in turn may facilitate growth," says Lichtenfeld, an assistant professor of psychology at Ludwig-Maximilians-University in Munich, Germany.

The green shown in the experiments matched the shade seen in nature, in growing plants or in a meadow. Since this was the first study to find a link between green and creativity, it's unclear whether lime green or blue-green, for instance, may also fuel inventiveness. And it's not yet known if seeing green for a longer time than two seconds makes the creativity boost stronger or weaker.

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