Check out Skyshare! I found this tweet and tested it myself, It allows you to post artwork on twitter without the AI edit button.
English instructions below!
it's basically
> Duplicate the canvas
> open new layer above and throw color on it ( usually use orange tone)
> change color layer mode to "Luminosity"
> Merge down the color layer with Duplicated canvas
> change layer mode to "Hard light"
>Retouch with Curves etc. as you want