Comment 6 for bug 657297

I found the following page: http://www.gballard.net/psd/go_live_page_profile/embeddedJPEGprofiles.html
Experimenting with the different images, I find that Firefox seems to be using "ADOBE RGB (1998) 2.2 gamma" as default, unless I assign a value to gfx.color_management.display_profile.