Permanently Dye a White Silicone Sleeve?

Recently bought some white silicone sleeves for a mod because all that was left to by anywhere. Not a big fan of white pr translucent silicone sleeves because when they get stained it's impossible to clean them, not even bleach works.

I figured I could try dying them.

Anyone do this successfully before?

I've read about it on a few sites. One method is to use hair dye, but I figured I would ask here in case maybe someone has done it using a better method.

I also have a bottle of…

Permanently Dye a White Silicone Sleeve?

Original source: https://www.e-cigarette-forum.com/threads/permanently-dye-a-white-silicone-sleeve.959061/