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I am using ConTeXt for my presentation. More specifically, I used the following code:

\usemodule[pre-split]

\starttext
    \TitlePage{Famous Quotes}

    \Topic{\sc Tufte} 
    \input tufte

    \Topic{\sc Knuth}
    \input knuth\page
    \Subject{By the way...}
    \input knuth

    \Topic{\sc Reich}
    \input reich
\stoptext

All is working as expected except the colors. In the source code (http://www.pragma-ade.com/general/sources/s-pre-14.pdf) I found at line 7:

\definecolor [One] [r=.6,g=.4,b=.4]
\definecolor [Two] [r=.4,g=.6,b=.6]

How can I override those definitions? I would like the reddish color to be white.

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1 Answer 1

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3

Colors aren’t fixed and you can always redefine them with the \definecolor command.

\starttext

\definecolor [Red] [r=1]

\color[Red]{Is this text red?}

\definecolor [Red] [g=1]

\color[Red]{Is this text red?}

\definecolor [Red] [magenta]

\color[Red]{Is this text red?}

\stoptext

enter image description here

To change the colors which are set in a module you have to change the values after the module was loaded.

\usemodule[pre-split]

\definecolor [One] [white]
\definecolor [Two] [red]

\starttext
...
\stoptext
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6
  • 2
    Did you test the code? It works with \color but not for the presentation.
    – user152057
    Jan 1, 2019 at 16:55
  • 2
    Actually the text on the side bar was affected but not the background.
    – user152057
    Jan 1, 2019 at 16:56
  • 1
    @Blincer The background uses the colors ColorOne (for the left part) and ColorTwo (for the right part) which have to be changed and not the colors One and Two mentioned in your post.
    – Wolfgang Schuster
    Jan 1, 2019 at 17:02
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    However, how did you find the name ColorOne what I see in the code is backgroundcolor=One. I may mistake @Wolfgang Schuster.
    – user152057
    Jan 1, 2019 at 17:10
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    @Blincer You’re looking at the wrong file. The style you use is in your example in the file s-present-split.mkiv which uses the two colors mentioned above.
    – Wolfgang Schuster
    Jan 1, 2019 at 17:17

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