Understanding Leven Hair Color: Is It a Misspelling or Brand?

"Leven" isn't a known hair color. It's possible it's a misspelling or a brand name. Could you provide more context? For example:

* Is it a specific brand of hair dye?

* Did you see it in a product description or on a website?

* What kind of hair color are you looking for?

With more information, I can help you find the correct term or identify what you're looking for.