Which iconic retailer deliberately chose its signature red color in the early 1900s after research showed it was the most visible and stimulating color for shoppers?

Throughout retail history, brand colors have played a crucial role in product recognition and marketing psychology. Many iconic brands established their color identities decades ago, creating lasting visual associations that have withstood the test of time. This trivia question explores how one of the world's most recognizable brands developed its signature color scheme—a fascinating intersection of product identity, consumer psychology, and retail marketing history.

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Coca-Cola (whose red branding was actually established in the 1890s for completely different reasons)
Target (which didn't exist until 1962 and adopted red for its bull's-eye logo)
Sears, Roebuck & Co. (which used scientific color theory to increase catalog response rates)
Macy's (which chose red to honor its founder's time in the Civil War)