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Color Management

by Harald Hoyer — last modified Oct 31, 2008 01:06 PM
Color Management and Linux
Color Management

Colorimeter

So you took some nice photos, edited them with your favourite Linux photo editor and published them on the web. But then you show your pics to a friend who is running Windows and IE 5 and suddenly your photos look very different. What happened?

Monitor Colors

Your monitor colors could be different than the one of your friend. This can be corrected calibrating the monitors with a colorimeter and e.g. Argyll.

Color Profiles

Most photos have a color profile embedded. This color profile defines, where the rgb values are in the colorspace. Some software is aware of it. Some is not.

Check out this color profile browser test  (german only). Especially this picture:

or this one:

 

Color management in Firefox 3 has to be turned on and if you test various GNOME/KDE picture viewer and editors, you will notice that only some of them cope with color management.

Firefox Add-On

Avatar Posted by Herward Hoyer at Oct 31, 2008 12:49 PM
The Picture above works just fine under Windows and Firefox after installing the following Add-on
https://addons.mozilla.org/[…]/30686

Most apps fail

Avatar Posted by Kevin Kofler at Oct 31, 2008 01:05 PM
Out of all the apps I tried (on Fedora 8), only GIMP does the right thing out of the box, Firefox and ShowFoto need to be manually set up, all the other browsers and image viewers I tried just failed. :-(

Re: Most apps fail

Avatar Posted by Harald Hoyer at Oct 31, 2008 01:09 PM
eog - Eye of Gnome seems to work as well.

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