[NTG-context] Different colors in LaTeX and ConTeXt

Hans Hagen pragma at wxs.nl
Tue Jul 12 14:29:20 CEST 2016


On 7/12/2016 1:53 PM, Henri Menke wrote:
> Dear list,
>
> I wanted to draw some nice pictures using TikZ and pgfplots, but then I
> noticed that the colors of the ticks in my pgfplots graph were unusually
> bright and it looked very weird.   So I set up a test
>
>> \usemodule[tikz]
>> \starttext
>> \starttikzpicture
>>   \draw[help lines,very thick] (0,0) -- (1,0);
>> \stoptikzpicture
>>
>> \externalfigure[test-crop]
>> \stoptext
>
> where I produced test-crop.pdf from the following plain TeX sample,
> which I also typeset with LuaTeX 0.95 (to make sure it's not a LuaTeX
> regression).
>
>> \input luatex85.sty
>> \input tikz
>> \tikzpicture
>>   \draw[help lines,very thick] (0,0) -- (1,0);
>> \endtikzpicture
>> \bye
>
> Attached you find the output of the ConTeXt example and you can see that
> the color of the upper line (the one produced with TikZ inside ConTeXt)
> has a much brighter color than the one produced with plain TeX.
>
> I'm using ConTeXt MkIV distributed with TL 2016.
>
> How can I adjust the colors in ConTeXt to match the ones produced by
> plain TeX?  I need the adjustment in that direction, because I also have
> old images produced with plain TeX/LaTeX that I'd like to seamlessly
> integrate in my ConTeXt documents.

you need to figure out the default definitions in tikz then (i suppose 
'help lines' is related to some color)


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