Natural, unfinished leathers take dye easiest, making natural vegetable tanned leather one of the best options for customizing. You can certainly add color to already dyed pieces, but be warned that the process can take longer to achieve a color you are looking for and yield uneven results if not done properly.
Can you permanently dye leather?
Yes you can change the color of leather! … Well, it is possible to completely refinish and change the color of leather sofas & chairs or car seats, whatever the case may be, and completely cover over the original color.
Can you dye or stain leather?
Leather, like wood, is a fiber. It can be stained (dyed) or painted (pigmented finish or coating). Leather dyes penetrate and accentuate the natural variations (including stains) in the fiber.