Set Color Management in web Browser

To see correctly pictures in Firefox, you have to set color management.

Easy way:
https://addons.mozilla.org/en-US/firefox/addon/color-management/

Advanced way:
- type in address bar: about:config
- search color_management
- set as said here http://kb.mozillazine.org/Firefox_:_FAQs_:_About:config_Entries

Details:
google
http://www.gballard.net/firefox/
http://www.gballard.net/psd/go_live_page_profile/embeddedJPEGprofiles.html