> @Max hmm it seems, I still have an issue.

> I've changed '0xFFFFFF' to the '0x333333' as instructed.

> Even though #333333 is now set as thumb background color it still ads a prop with a white background. When I reopen Moi, my thumb background is properly displayed with #333333.

> Strange. Appreciate it if you have a clue what's causing that.

Ah never mind, solved it! Thumb was still white only because I was overwriting the preexisting asset. When you overwrite an asset, Moi is basically loading the old - cached icon until you reopen the app.

I'm leaving this here for the reference :D