"Star Trek" is arguably the greatest sci-fi franchise ever , and one of its hallmarks is its vibrant aesthetic. The show debuted in the 1960s with brightly colored uniforms that ran the spectrum of the rainbow. Legend has it that the colorful uniforms were at the behest of RCA, which owned NBC and wanted the show to demonstrate the power of new color televisions. Old ads that used "Star Trek" to promote the vibrancy of color sets suggest there's some truth to that legend. Inside the world of "Star Trek," though, what do these colors mean?

For those unfamiliar, each uniform color typically corresponds to a different division in Starfleet, the research and security arm of the United Federation of Planets. But figuring out which color means what isn't as simple as it might sound. That's beca

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