{color} is about using color in (La)TeX documents. Popular packages are color and xcolor.

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How to construct a logic argument with colored hline with length under control?

How to construct a logic argument like this one? I can construct it like this: Latex of my argument: \documentclass[10pt]{article} \usepackage{newtxtext} \usepackage{newtxmath} ...
11
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3answers
571 views

How can I shade from red to green along a curve?

Let's take the following picture as an example. I want to shade the fan-shaped area from red to green along the curve shown with the arrow in TikZ. How can I do this? Code: ...
11
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2answers
2k views

soul: broken highlighting with xcolor when using \selectcolormodel

I try to highlight text using the soul package. But I experience problems if I use it in combinations with the xcolor command selectcolormodel, only spaces are highlighted as shown in the MWE: ...
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2answers
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How can I change the colour of my document's section numbering?

I know how to change the colour of a section name using for example \section{\color{Red} Foobar} but that still leaves the section number in black. Is there any way to change the colour of the ...
11
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2answers
352 views

How to color delimiters

I have some special delimiters that I want to add to a glossary, those get hyperlinks and colors etc. However when i want to use those delimiters, using \left, \right and \middle becomes impossible. I ...
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2answers
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Different colorcoded theorems

I'm using this code to frame my theorems: \documentclass[a4paper,12pt]{scrreprt} \usepackage[table]{xcolor} \usepackage{latexsym} \usepackage{amsmath} \usepackage[amsmath,thmmarks,framed]{ntheorem} ...
11
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3answers
242 views

Distinguish math symbols in the language and the meta-language

I'm writing some notes on logic and formal languages, and I would like to provide some visual cues to distinguish symbols in the formal language (e.g. predicate and logic symbols), from symbols in the ...
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2answers
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How to highlight all words of the form [0-9][A-Za-z0-9]* immediately following an equal sign?

I am using the Latex Listings package to include code in a document. I need to implemented syntax highlighting similar to what you see in a standard IDE. I've been able to assign colors to comments, ...
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3answers
344 views

Defining a macro for “real” colored delimiters

I recently looked up J. van Hoorn's question on How to color delimiters in Math Mode, and so I decided to test my LaTeX knowledge by trying to define a new appropriate command: ...
11
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1answer
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How to draw a double-color line with tikz

I would like to draw a rectangle with a double color border: the border should be a line dashed with two alternating colors (blue and red, for example). Is it possible?
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1answer
33k views

How to modify (default) Beamercolortheme?

I created a latex beamer presentation using "Montepellier" theme with default color theme. I need to modify this theme (I want to change the color of the upper and lower border of header - ...
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3answers
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Pattern color differs from normal color?

I have the following code: \documentclass{minimal} \usepackage{tikz} \usetikzlibrary{scopes,patterns,intersections,calc} \begin{document} \begin{tikzpicture}[thick] \path (-2,0) coordinate ...
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1answer
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\textcolor within lstlisting?

I have some pseudo-code where I want to highlight some sections in a different color (this is why: in an assignment at university, I have some code given and have to adapt it. I want to highlight what ...
11
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1answer
539 views

Changed all math text to red in beamer, now I can't make some math text black

When I try to make the checkmark black using the following code, it doesn't work; the checkmark shows up red. How do I make it black? \documentclass{beamer} \usepackage{amsmath, amsthm, amssymb, ...
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2answers
7k views

\hhline adds white line where no line is intended

In a table, containing colored cells, i want to have a \hline dividing only some cells, similar to \cline but compatible with coloring single cells with \cellcolor, which is possible by using \hhline ...
11
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1answer
1k views

Error when using colour in \author

I am getting an error when I try to use \color{} in the the author field with beamer, even though the file compiles and I get the the words I want coloured in the author field. This is the error ...
11
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1answer
803 views

How to colour \hrule

I am trying to display a coloured \hrule. This discussion implies wrapping the \hrule in a \textcolor should do, but that adds an ugly extra vertical space above the \hrule. Other questions on ...
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2answers
295 views

Two colors in one hyperlink

As usual writing a few documents. As one can see having too much color and gloss in a document is never good. Therefore having boxes, and a myriad of colors in the hyperlinks is a bad idea. I really ...
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2answers
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Changing Enumerate Colors using Beamer Theme Berlin

I am trying to figure out how to change the coloring of enumerations in Beamer using the Theme 'Berlin'. I was able to change the color of the Itemize environment by: \setbeamercolor{itemize ...
11
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1answer
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Changing color and bullets in Beamer's table of contents

Does anyone know how to change the color scheme and/or bullets used in Beamer's table of contents (without changing the overall structure color or theme)? Unfortunately, the following doesn't work: ...
11
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1answer
290 views

How to change color of menukeys?

I cannot understand how to change the colors of the text in the menus typeset using menukeys. A minimal example (taken from the menukeys manual) follows: \documentclass[12pt]{article} ...
11
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1answer
3k views

Coloured equation number (without changing colour of reference using hyperref)

I am working on a file where I am using the package hyperref so that the references to equations are linked and coloured. Here is a MWE: \documentclass{article} \usepackage{amsmath} ...
11
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1answer
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\cancel draws under thing being canceled

I'm trying to use \cancel from the cancel package to strike out some colored text but it is apparent that the diagonal line is drawn first so it doesn't do a very good job of canceling. Minimal ...
11
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1answer
4k views

Create PDF with images in black and white

I have a LaTeX document with several black and white, gray value, and color images. When creating a PDF with pdfLaTeX I get a PDF where I am not sure if the embedded black and white images are ...
11
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1answer
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How can I change the color of digits when using the listings package?

I'm using the listings package and was already able to modify the color of the keywords and almost all elements I was interested in. The only thing that remains is the color of the digits. I'd like to ...
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1answer
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How to plot scatter points using pgfplots with color defined from table rgb values?

I am trying to plot a set of data points (scatter points not linked to each other), where each point has a different color. The color definition is given by predefined rgb values written in the same ...
11
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2answers
994 views

\color after inline section colors the section title

In the following document, the subsection title gets colored red. Why does this happen? \documentclass{article} \usepackage{color} \newcommand{\comment}[1]{{\color{red}#1}} \begin{document} ...
11
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2answers
694 views

3D font in LaTeX

This is an unusual question regarding rendering of a font with a specific 3D-esque style in LaTeX, XeLaTex, or any other TeX flavor. I was looking at some fonts the other day and I came across one of ...
11
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1answer
10k views

What are structural elements? Customizing the mechnism of beamer color theme

When I search the Internet, I can find many pieces of code including \usecolortheme[named=XXX]{structure}. If I add it to my presentation, I can see maybe there are some changes. I would like to know ...
11
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1answer
5k views

How to change hyperlinks color {Lyx}

I am using Lyx and i would like to change the color of hyperlinks on my bibliography. The default color is pink (at least on report layout , which i am using) Is it possible to change it, to blue ? ...
11
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1answer
483 views

PDF Colour Space and ConTeXt

Background Trying to create a PDF that includes a vectorized cover page having transparent colours. I would like the PDF to have the same appearance in Acrobat Reader, Firefox PDF Viewer, Foxit ...
11
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1answer
246 views

Reference a node's color by using node name

I am trying to use a node name to reference the node's color. I am not sure if this is even possible. I have a TikZ mindmap: \documentclass{article} \usepackage{tikz} ...
11
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1answer
510 views

TikZ Chromaticity Diagram

I'm trying to make a chromaticity diagram in tikZ, does anyone know how to make one? I want this My issue is not in forming the spectral locus that I can do, right now I'm only using three points ...
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4answers
831 views

Coloured text in plain tex

Recently I became intrigued by plain TeX because it gives even more flexibility than regular LaTeX. In my document I wish to use grayscales of text. In LaTeX, producing this result is achieved ...
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4answers
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How to color a region?

The following code \documentclass{article} \usepackage{tikz} \usetikzlibrary{intersections,positioning} \begin{document} \begin{tikzpicture}[radius=5] \draw (0,0) rectangle (5,5); \draw[name ...
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votes
3answers
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How can I ensure all teletype/monospaced text is in a certain color?

I'm trying to include some monospaced text, and I'd like it to be in a different color than the normal text. There will be several (read: hundreds) of instances of monospaced text, and I want it all ...
10
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2answers
457 views

make enumerated button in TikZ

Is it possible to make an enumerated button, similar to the ones shown in the figure below? I will be using them as pictures in an external document (not TeX).
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4answers
509 views

Make enumerate numbering different colours

Is there a way to make the different numbers within the enumerate environment different colors. \begin{enumerate} \item First \item Second \item Third \end{enumerate} I wish to make the 1. green, ...
10
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2answers
1k views

Fill the left 1/3 of the title page with color?

This is my first time to try and write documentation by using LaTeX. The generated PDF is quite impressive, but there is one thing I have no idea of how to do it: I would like to have the left 1/3 of ...
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3answers
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Filling in the area under a normal distribution curve [duplicate]

I'm trying to fill the area between the two $z$-scores but I'm not having any luck. Could someone please help me with this? \begin{tikzpicture} \begin{axis}[ no markers, domain=0:6, ...
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3answers
481 views

How to color just the `\vec` symbol?

How do I color only the vector symbol in \vec f? I'm using beamer, so xcolor is already loaded. Extra "points" to an answer that also explains how to fish..and not only gives me the fish. Thanks!
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2answers
370 views

Watercolor like shadow in TikZ

How to create watercolor-like "shadow" to highlight some node on figure, like in image below? Note that I don't need for coloring to fill a shape, nor do I need for it to have variable intensity, nor ...
10
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3answers
399 views

Use \macro within xcolor expression

So this seems to be impossible: OrangeRed!\c!white with \c being any kind of \def formula, or precisely in my case, with a \pgfmathsetmacro. Here is MWE \documentclass{article} ...
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2answers
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Table with colored rows alternating every n rows

I'd like to create a table where the background color of the rows changes every n>1 rows. I have seen in wikibooks how alternate rows can have different colors and I have looked at one xcolor ...
10
votes
3answers
219 views

How to make or add options for packages or functions

I'm using at this moment the Piano Package. This Package is a little limited so I want to change a few things. The standard color of the dots is orange. I want to change this in different situations. ...
10
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3answers
512 views

How do I create unadorned color bars without a plot?

I want to create color bars of the type used by Kenneth Moreland in his excellent paper, "Diverging Color Maps for Scientific Visualization". They are unadorned and look like this: Any idea how he ...
10
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3answers
525 views

One single colored letter inside \spacedallcaps

I want to change the color of a single letter inside a custom \spacedallcaps command. This command makes the specified text uppercase and changes the letter spacing. When I introduce a ...
10
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1answer
7k views

beamer dark theme

I have a very simple question - there are a bunch of beamer themes, however, all of them have white background. I would like to use some theme, let's say Warsaw (since it is perfect), however I'm ...
10
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3answers
394 views

Is it possible to give colors to big (automatic) parenthesis in math mode?

In the following code I can't make the right parenthesis to have arbitrary colors. \documentclass{article} \usepackage{amsmath} \usepackage{xcolor} \begin{document} \begin{equation} ...
10
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2answers
782 views

How can I change the text color in such a way that the effect transcends groups?

I'd like to have a command \globalred that makes all subsequent text red, even if the command is issued inside a group. For example, the output of the TeX file \documentclass{article} ...