https://bugs.winehq.org/show_bug.cgi?id=49535
--- Comment #3 from Zebediah Figura z.figura12@gmail.com --- Eh, I guess I misidentified the commit ID; I thought this was a different problem...
This is kind of an expected side effect of the linked commit, i.e. colorimetry is a little different. There's not really anything we can do except to revert the commit.
I'd be kind of curious to see if Windows (or even native quartz) produces different colors for this application.