How to permanently change color profile for exporting images?

I am setting up Acorn on a work computer, and found an issue. When I save an image with the Save for Web and Other option, it applies a

This is what I’m seeing (left image is my real image, right is a preview of the less-good colors I don’t like)

But this is my goal is to have both image look and feel the same:

How can I change the Preview setting permanently, so I don’t always have to change it in this menu?

Sorry for the late reply on this, I only just noticed it.

What is the original color profile of the image? It should look the same for export if you’re not changing the profile, but I’m guessing that’s what you are doing already?

If that’s the case, then I think there’s something funky going on with the profile in the image. Can you email me a sample at support@flyingmeat.com and I can take a look at it?

(You can also enable the “Match colors to profile” option, but I kind of feel like you shouldn’t have to do that).