The pair discussed immigration, climate change and high education costs, but all Twitter could pay attention to was the color of Bernie's suit.

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To most people, it looked brown.

Some others thought it was black, like this tweeter:

Others thought Bernie Sanders was dressed in blue:

And some decided to bring up "the jacket."

And if not "the jacket" then its predecessor "the dress."

According to Mike Casa, who works for Sanders' campaign, Senator Sanders' suit is blue.

But rather than debate, one tweeter took a meta approach:

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Inventor Lonnie Johnson stands with his Super Soaker water guns at JTEC Energy on Wednesday, Oct. 29, 2025, in Atlanta. Johnson, a former NASA engineer, is currently working on a new energy technology through his company’s JTEC device that turns thermal heat into usable energy. (Natrice Miller/AJC)