The pictures below should look the same. If the picture on the right is brighter, that’s ok.

 

If the picture on the left has a purple tint, the instructions below may correct the problem.

 

normal     uncheck

 

 

Firefox color management fix for tagged graphics: (see instructions below)

 

1. paste about:config into the address bar, enter, click through any warning

2. paste gfx.color_management.mode into the filter box

3. double-click that pref to edit the value to 0

4. restart Firefox to see if the pictures look normal again

 

0 = Disable color management.

1 = Enable color management for rendered graphics.

2 = Enable color management for tagged graphics only. (Default)