Which major global brand dramatically changed its traditional color scheme from green to red in the early 20th century, a move that eventually helped establish one of the most recognizable brand identities in retail history?

Throughout history, brand colors have played a crucial role in shaping consumer perception and establishing market presence. From ancient trade guilds using distinct colors to identify their products to modern corporations spending millions on color psychology research, the strategic use of color has evolved dramatically. This trivia question explores a fascinating historical shift in a major brand's color identity that challenged conventional marketing wisdom of its time.

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Coca-Cola (which originally used green labels from 1886-1904)
Shell Oil (which used green as its primary color until 1915)
Heinz (which featured green labels on its original products until 1920)
Macy's (which used forest green branding until its 1902 rebranding)