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Re: [libreoffice-marketing] branding colors - missmatch


Hey Bernhard,

not shure, if you really understood the problem:

It is not the color RGB (24,136,3) - this is the same value in Adobe CS
by opening Logo-File (png, jpg or svg).

But again, RGB is not for printing! Real world uses CMYK Colors.
So, when I change to the RGB Color to CMYK, value is: 79,0,100,0 in
Adobe CS.
Your branding-color table calls CMYK (85,0,98,36), which is real darker
then the RGB color!

You understand the missmatch? I can use your CMYK (85,0,98,36) or I can
use your RGB, which is CMYK (79,0,100,0). Both are different!

My personal opinion: I will use CMYK (79,0,100,0), which appears nearer
to the green in Web :-)

Best regards
Thomas

Am 27.01.2011 02:09, schrieb Bernhard Dippold:
> Hi Thomas, all,
>
> CC'ing the design list as I think this topic should be discussed there.
>
> Thomas Krumbein schrieb:
>> Hey folks,
>>
>> it´s me again - I still do not have an real answer regarding colors.
>
> Sorry - but as I don't possess Adobe CS4, I can't reproduce your problem.
>>
>> We now have to do the printing for CeBIT 2011 - and I like to get an
>> clear answer from all those people, who have made the color "branding
>> guidelines".
>
> Christoph Noack is the one who provided these colors - based on some
> thoughts from the design team.
>>
>> Unles I do not get an clear answer here, I will decide the colors for
>> myself - and than I will use CMYK 79, 0, 100, 0.
>
> I don't understand what's the problem with the values written on the
> wiki site. As they will be printed on "real" material, they will look
> different from their representation on the web.
>
>
>>
>> Again the link for comparing colors:
>>
>> www.ooodev.org/images/downloads/LibO/farbunterschied.pdf
>
> This file shows really dark green tones - and imported in Inkscape it
> reads #007c37 for the darker and #1cb24b for the lighter green.
>
> None of them is #18a303 what it should be.
>
> I could send you a screenshot (or the SVG file), but I assume that this
> result is based on several conversions between applications, file
> formats and color models, so it would probably not help.
>
> As we can't avoid conversion problems with different applications, we
> should stay with the color codes as far as possible. Even with the same
> color codes they will look different when presented on different
> monitors or printed by different printers.
>
> (I remember a strange color problem with Adobe conversion to CMYK back
> in 2006 on the OOo-Art list, where only Illustrator showed different
> colors or converted to other values while all the other applications
> showed the same color. Can't search the archive at the moment, but it
> was related to the Art Style guide we created then - and perhaps a
> comment made it in the guide too)
>
> So please use
> HEX 18a303
> RGB (24,136,3)
> CMYK (85,0,98,36)
>
> some more comments below...
>>
>> Best regarsds
>> Thomas
>>
>>
>>
>>
>> Am 16.01.2011 13:46, schrieb Thomas Krumbein:
>>> Hey,
>>>
>>> I try to create some marketing-material for LibO, unfortunatly I have
>>> some mismatch in colors:
>>>
>>> Following the branding guidlines the main color for "Libre" is "Green
>>> 1", Hex 18A303, RGB 24 163 3, CMYK 85 0 98 36
>>> When I use the cmyk values (for printing), color seems to be really
>>> "darker" then the LibO Color (as seen in Web).
>>>
>>> I am using Adobe CS4 - Illustrator.
>>> When I try to open the svg-logo-file, I got an error.
>
> I'll send you a file converted to "plain SVG" offlist. Perhaps you can
> open this one.
>
>>> When I open the png file, I can pick up the color of the "Libre" word:
>>> Hex 25A22D, RGB 37 162 45, CMYK 79,0,100,0
>
> I don't know enough about color definition in PNG. But the logo has been
> exported from Inkscape with the right color, so it might be possible to
> find out, how the color values are stored.
>
> Did you have a look at the file with a different application than
> Illustrator? Does the color differ?
>>>
>>> Well, this values are really different!
>
> Yes indeed.
>>>
>>> So, what to do?
>
> Ii just tried to save a SVG file containing a green rectangle and open
> it in an editor. It reads:
>
> style="color:#000000;fill:#18a303;fill-opacity:1 ...
>
> The exported PNG file doesn't show any readable values because it is
> compressed, I suggest.
>
> But as well in Inkscape as in GIMP the color stays #18a303. so I don't
> know if there is a problem with the .png file you got or with the color
> rendering at yours or somewhere in-between.
>
> Perhaps the SVG file can be opened...
>
> Best regards
>
> Bernhard
>


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Follow-Ups:
Re: [libreoffice-marketing] branding colors - missmatchBernhard Dippold <bernhard@familie-dippold.at>
Re: [libreoffice-marketing] branding colors - missmatchTom Davies <tomdavies04@yahoo.co.uk>
References:
[libreoffice-marketing] branding colors - missmatchThomas Krumbein <thomas.krumbein@documentfoundation.org>
Re: [libreoffice-marketing] branding colors - missmatchThomas Krumbein <thomas.krumbein@documentfoundation.org>
Re: [libreoffice-marketing] branding colors - missmatchBernhard Dippold <bernhard@familie-dippold.at>
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