you've seen pascal's old writeup about display colour profiling, right?

https://encrypted.pcode.nl/blog/2013/11/24/display-color-profiling-on-linux/

-jo

On Wed, Apr 26, 2017 at 5:35 AM, Guillermo Rozas <[email protected]> wrote:
>> As per https://wiki.archlinux.org/index.php/ICC_profiles
>>
>> "Note that the system on which the profile is generated must host the exact
>> same video card and monitor for which the profile is to be used"
>>
>> And this contradicts to some extend with
>>
>> http://www.colorwiki.com/wiki/Cross_Platform_Color
>>
>> "They will function the same way on any operating system, and can be easily
>> moved from machine to machine."
>>
>> I  am actually using 2 different machines with 2 very different cards (one
>> windows and one linux). I think one item that changes the behavior a lot is
>> the color temperature. I set it manually to 6500K. Windows would set to this
>> value by default while Linux would try to set to 7600K by default. On sRGB -
>> windows came at 100% and linux came at 99.9 while Adobe RGB came at 81%
>> windows vs 79% linux.
>
> Yes, I think the colorwiki link was referring mainly to printers, is a
> bit misleading (my bad to include it here). Is the same discussion as
> with the driver: in principle the graphic card should not affect the
> colors that are sent to the monitor, but graphic cards can be so
> different between them that in practice it does matter. Same
> generation of the same vendor may be OK, two completely different GPU
> is probably not safe.
>
> And yes, color temperature is very important: the profile tries to
> match the color temperature you ask for, so a profile with a target of
> 7600K will look a lot bluer than one with a target of 6500K. You
> probably want 6500K, as that is the standard for monitor viewing.
> Brightness is also important, to a lesser degree.
>
>> There are just a lot of options in Display Cal and even there is
>> documentation - some areas are lacking detailed explanation for a beginner.
>
> Yeah, it also took me a while to understand which options to use, and
> even after deciding I was second guessing my configuration all the
> time. I'll post tonight the options that I found the most "sane",
> maybe it's helpful for you as a start point. If I find the time I'll
> try to also write a small walk-through of what I did when I calibrated
> my monitor (including the color temperature options).
>
> Regards,
> Guillermo
> ____________________________________________________________________________
> darktable user mailing list
> to unsubscribe send a mail to [email protected]
>
____________________________________________________________________________
darktable user mailing list
to unsubscribe send a mail to [email protected]

Reply via email to