Which of the following statements about brand color psychology in major industries is TRUE?

Brand colors are powerful psychological tools that companies strategically select to evoke specific emotions and build brand recognition. Major corporations invest millions in color psychology research to develop visual identities that trigger the right consumer responses. This poll tests your knowledge of how certain industries leverage color psychology in their branding strategies. Can you identify which statement about brand colors and consumer psychology is factually correct?

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Financial institutions predominantly use red in their logos to convey excitement and urgency in investment decisions.
Studies show that the 'isolated color effect' in retail can increase willingness to purchase by up to 85% when a product is displayed against a contrasting background.
Fast food chains avoid yellow in their branding because it psychologically suppresses appetite according to consumer research.
Luxury brands predominantly use purple as their primary color because it has historically been associated with exclusivity in all major global markets.