Which major company faced significant consumer backlash after changing its iconic brand colors in a 2010 logo redesign, ultimately reverting to a design closer to its original within a week?

Brand colors are powerful tools in marketing psychology, influencing consumer perception and emotional response. Companies invest millions in selecting the perfect palette to represent their values and connect with target audiences. Sometimes, however, rebranding efforts involving color changes can generate unexpected consumer backlash. Test your knowledge of notable brand color controversies that shook the business world!

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Gap (changed from blue box logo to white background with small blue square)
Pepsi (changed from red-white-blue to a simplified circular design)
Instagram (changed from vintage camera icon to rainbow gradient)
Mastercard (changed from overlapping red and yellow circles to simplified transparent circles)