^ hard to say anything without pics.
Do you have pics of how they are now and pics of something close to your desired result?
Since we have a topic now, old stuff.
L stripped, R original.
off-black final result
Thanks for the kind words. I like the tie, something different from the usual iGentwear. My local charity shop stocks tons of stuff like this as well as d'avenza, canali, oxxford, etc. Best four quid I ever spent [[SPOILER]]