Which retail giant famously conducted 'The Great Color Experiment' in 2018, testing 41 different color shades in stores and discovering a 14% increase in customer dwell time with one specific hue?

Color psychology plays a crucial role in how consumers perceive brands and make purchasing decisions. Major companies invest millions in researching the perfect color palette to evoke specific emotions and associations. This poll tests your knowledge about strategic color choices in major retail brands and how they influence consumer behavior. Can you identify which famous retail psychology color strategy breakthrough changed an entire industry's approach to visual marketing?

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Sephora, with their 'Emotional Spectrum' purple shade that increased cosmetic browsing time
Target, with their 'Calm Red' shade that reduced perceived checkout waiting times
Whole Foods, with their 'Natural Green' that increased fresh produce sales by making items appear more vibrant
Best Buy, with their 'Tech Blue' that improved customer confidence in electronics purchases