The 3 million jeans sold every year must be dyed with ... an 18-year-old chemist stumbled across the first synthetic dye, a purplish color called Mauveine, which was derived from coal tar.

What is the truest blue? Is it one of Mother Nature’s gifts, the majestic cerulean of a cloudless sky? Or the gleaming aqua ...

Following is a transcript of the video. People have been wearing blue jeans for centuries. Originally, the blue color came from a natural indigo dye. The dye was chosen for the way it interacted ...

Keeping black jeans can be a challenge but Liebenberg said it is possible. "I recommend using a detergent formulated for dark colors and washing in cold water to protect the dye," he said.