Which color was deliberately chosen for the original IBM mainframe computers in the 1960s to psychologically influence corporate buyers?

Throughout history, inventors and innovators have strategically used color psychology to influence consumer perception and adoption of their breakthrough products. From the calming blue of early computing devices to the vibrant hues of modern tech, color choices are never accidental in successful inventions. This poll tests your knowledge of how color psychology has played a pivotal role in some of history's most significant product launches and scientific breakthroughs.

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Beige (to appear non-threatening and blend into office environments)
Blue (to convey reliability, trustworthiness, and corporate stability)
Gray (to symbolize scientific precision and technological advancement)
Red (to stand out boldly and represent computing power and speed)