Here's how the world's most expensive color is made

The world's most expensive color is ultramarine blue. Here's how it's made using traditional methods.

Liz Rowley

Liz Rowley is a Deputy Executive Producer on Business Insider's video team, where she works on So Expensive, a documentary ...
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Inside America's most expensive neighborhood — and it's not Beverly Hills

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I left my 'perfect' Connecticut life and moved my family to Spain. It's more expensive here than I expected, but I'm happier.

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A $64 billion investment firm says AI has made stocks historically expensive. Here are its top 2 recommendations for avoiding the fallout.

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