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

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21
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1answer
299 views

How can I color parentheses depending on the nesting level (like emacs' rainbow-delimiters)?

Is it possible to have a custom setup for lstlistings for LISP-like languages and have matching parentheses coloured with a same colour taken from a palette? What I am looking for is something like ...
20
votes
4answers
10k views

How to construct a coloured box with rounded corners

Here is the specs of the box. Color of the bar rule should be: \definecolor{mycolor}{rgb}{0.122, 0.435, 0.698} Radius of the 4 corners of the box: 4pt Thick line = 0.5pt Text should be 6pt ...
20
votes
2answers
870 views

Colored margin with vertical text

What I'd like to reproduce on LaTeX can be seen on the picture below. I am writing my master thesis (book style) and I'd like to add a colored margin on every page (on the right for the right pages ...
20
votes
2answers
10k views

How to use different colors for different \href commands?

I have two different \href{}{} links and I want each to be a different color. In the example below they will both be blue, how can I make each link have a different color? \documentclass{article} ...
20
votes
2answers
1k views

How can I put a coloured outline around fraction lines?

I use the contour package to put thick white outlines around labels in graphs, so they remain readable above the grid lines without taking up too much space. Unfortunately, the package is not able to ...
19
votes
5answers
7k views

Color underline a formula

I want to underline different parts of a formula with different colors. What is the best possible option? Soul seems only to provide one color per document.
19
votes
1answer
7k views

Colors and legend in groupplots/barplot

In order to compare three items I use the groupplot command. For each item I have n different criteria to compare. Is it possible to set the color for each criteria itself? Meaning the first bar in ...
19
votes
1answer
1k views

Caption parbox 6.0 pt too wide

For my listings, I use this caption setup: \usepackage{caption} \DeclareCaptionFont{white}{\color{white}} \DeclareCaptionFormat{listing}{\colorbox{gray}{\parbox{\textwidth}{#1#2#3}}} ...
19
votes
1answer
505 views

Strange disappearing colored rules in beamer

I have received a booktabs bug report of \cmidrules that disappear when coloured rules are used inside beamer (together with colortbl). The problem can be illustrated with the following simple code ...
19
votes
2answers
567 views

Pros and cons: pdflatex+gs vs gs+pdflatex

I need to be producing two versions of documents I deal with: colour and grayscale. Of course the real issue are images. I'm not the author of the documents nor the images, I'm only the typesetter. ...
18
votes
3answers
2k views

Can I have the \overfullrule rule colored in pdfLaTeX?

I know that I can use \overfullrule=5pt to get overfull lines marked with a black marker. I am using pdfLaTeX. Is there a way I can get this marker or something similar in magenta instead?
18
votes
1answer
770 views

Defining a Color using another

I know how to define a color using \definecolor with literals to describe the color. How can I define a color using an already defined color? In other words: How can I make a color accessible under ...
18
votes
1answer
19k views

Custom beamer blocks for pros and cons?

I want to be able to define custom block environments in Beamer. That is, where for now I use alertblock and exampleblock I would rather use problock and conblock for a pro/con discussion. This just ...
18
votes
1answer
1k views

Retrieve the color definition in HTML

I need to build a table of this type: STUFF | COLOR | PICTURE | COLOR DEFINITION To retrieve the color definition, I tried to use \extractcolorspecs expecting that the third argument { color-cmd ...
18
votes
2answers
3k views

Coloring digits with the listings package

I'm trying to typeset some python code, and I would like integer literals to be highlighted. I've come up, after about two hours of fighting with the documentation and various other questions here and ...
18
votes
1answer
229 views

Why does a color meant for the first typeset line *only* (with package magaz) affect the *entire* document?

I am trying to make a nice layout that gives a different style to the first line in a section using the package magaz. All examples I have seen feature some variation of small caps {\scshape text} or ...
18
votes
1answer
252 views

Elements that looks different when printed with colours or in BW

Is there the possibility with LaTeX of having some element that change if it is printed with colours or in black and white? I was thinking about the rectangles around links with hyperref that are ...
17
votes
5answers
13k views

How to draw a square of 1cm in LaTeX filled with color?

How to draw a square of 1cm in LaTeX filled with colour? I found mdframed and framebox does this, but there need to write text inside it. I just need to draw a box.
17
votes
2answers
5k views

Why does \color{blue} differ from \color{Blue}?

\documentclass[dvipsnames]{article} \usepackage{xcolor} \begin{document} {\color{Blue}\bf Blue} versus {\color{blue}\bf blue}. \end{document} Why does one of them differ from ...
17
votes
1answer
6k views

Colored symbols

First of all, I apologize if this is a repetitive question. I searched, but couldn't find it. I was wondering if I can change the color of symbols in latex. For example \ast always give me a black ...
17
votes
2answers
524 views

“Drill holes” using glyphs or TikZ's even odd rule for text

I know how to use TikZ even and odd rule, but what I need is to apply it on a node text. Compare I need the text to be punched out such that when I use the resulting pdf on top of a background, the ...
17
votes
1answer
6k views

Change color in finished pdf file

Suppose I have a finished PDF file, say a figure generated from some software, where the ink is black. I would include it in a document. Suppose I want to include it in a beamer presentation with ...
17
votes
2answers
2k views

Coloring chapters and sections with respect to parts

I am using the book document class and I want to produce a document with several parts, chapters, sections, sections and subsections. I would like to make it easier for the reader by coloring ...
17
votes
2answers
4k views

Changing color of already printed text

For making a small quiz in class I am working on a presentation in beamer. I want to change the color of statements to red (wrong statement) or green (right statement) but only after my class ...
17
votes
2answers
482 views

How to make a longitudinal sine wave shading with pgfplots?

At the moment I use TikZ shadings to show up longitudinal waves in my document like this: The shading is white where the sine is –1 and blue where the sine equals 1. This looks ok, but ...
17
votes
2answers
672 views

Getting verbatim with soft grey background, as in tex.stackexchange

Given a verbatim as on below, \begin{verbatim} This is an awesome verbatim \end{verbatim} which is displayed with no background on the compiled pdf page : This is an awesome verbatim I would ...
17
votes
1answer
1k views

Is it possible to use spot colors in TikZ graphics?

Using ConTeXt and Metapost, it is fairly easy to define spot colors and use them in an image: \starttext \definecolor[MyRed][c=0,m=1,y=1,k=0] \definespotcolor[RedSpot][MyRed][p=1,e=MyRed] ...
17
votes
2answers
937 views

XeLaTeX and TikZ - how do I ensure my PDFs are using the CMYK color model?

The place I want to print my document at needs the PDF to be provided in CMYK. The document is mostly text, except for a few graphs and plots which are done in TikZ or pgfplots. As suggested in this ...
17
votes
2answers
405 views

If a letter is white on white background, does a printer see it?

In preparation for press printing, I would like to produce a version of a document for printing a glossy varnish layer, where all the text is "missing", but the images and other elements are at the ...
16
votes
2answers
1k views

Coloring a black and white PDF graphic

I have a graphic in PDF format (originally converted from an SVG) that is monochromatic (black on white). Is it possible using TikZ or PSTricks but not (Illustrator or Inkscape) to include this image ...
16
votes
2answers
1k views

How do I get different colors for math and for text?

I want to include something in my LaTeX article that will make all mathematical formulae appear in black, while all text (including everything inside \text{}s in the middle of mathematical formulae) ...
16
votes
2answers
7k views

How do I specify color in RGB using \hypersetup in hyperref?

How do I specify color in RGB using \hypersetup in hyperref? I know that this is the right way to do it with color names: \hypersetup{colorlinks,breaklinks, urlcolor=Maroon, ...
16
votes
1answer
909 views

Shades of colors

I have defined a new color with \definecolor{MyBlue}{rgb}{0.25,0.5,0.75}. Is it possible to define now "derivatives" of this in term of shades? I would like to use the same color in three different ...
16
votes
3answers
6k views

How to colour multiple paragraphs?

I have a set of commands in my document's preamble that look like this: \newcommand{\nathaniel}[1]{\textcolor{blue}{[#1]}} \newcommand{\anotherAuthor}[1]{\textcolor{darkgreen}{[#1]}} They are to ...
16
votes
3answers
2k views

How to draw text-anchored tikz line below text instead of above?

I wish to mark several pairs of from/to anchor locations in text, and use tikz to draw lines between these. The anchors are not in absolute page locations; the text determines where the endpoints of ...
16
votes
2answers
4k views

Hyperref: Changing the linkcolor locally in the TOC

I found that the link-color for TOC text is identical to the link-color for Figures and Tables. When I change the color to black in the TOC also the color for Figures/Tables citation etc. is changed. ...
16
votes
1answer
494 views

Color Blind Friendly Mesh Colormap

I have a plot with a mesh and it uses a lovely colormap, however, I can't find a way to make tikzpicture only use colorblind friendly colors. I'm not colorblind, but I know at least some of the people ...
15
votes
4answers
1k views

Color the faces of a graph

I want to modify the image (see code below) by shading in the regions formed by the dashed lines that contain a black dot. The goal is to obtain something like How can I shade these regions? ...
15
votes
3answers
11k views

Height of colorbox

I'm trying to "highlight" two parts of a sentence by using a \colorbox like so: \colorbox{red}{This is} \colorbox{blue}{a great sentence.} The problem is that in the second part the height colorbox ...
15
votes
1answer
459 views

xcolor black isn't black enough

I'm making a poster (using baposter) where I wish to include some microscopy images. To make the fluorescent signals stand out better, I changed the background of that cell to "pitchblack", which I ...
15
votes
2answers
10k views

Changing color of default enumeration

To my surprise, I've had trouble finding red themes, and used the beamer theme matrix to find CambridgeUS. I've changed the itemized bullets to match, but I can't seem to make the enumerations red. ...
15
votes
2answers
3k views

Colored background in inline listings

I would like to make inline code more distinguishable from the text surrounding it, and I thought that using a background might work (like it is done on the stackexchange pages.) Since I use the ...
15
votes
4answers
4k views

Why can't I wrap \rowcolor in \only? (Beamer)

See the following minimal example: \documentclass[table]{beamer} \begin{document} \begin{frame}{Boo} \begin{table} \centering \small \begin{tabular}{rcc} \only<1>{\rowcolor{green}}Hey & ...
15
votes
2answers
370 views

Is it possible to detect the “current color”? (for example in a pgfplot drawing?)

Is there a code to deduce the current color of a PGF plot to which a node is associated? Better yet, is it possible to get the RGB decomposition as well? ... addplot coordinates{ (0,0) (1,1) } node{ ...
15
votes
3answers
13k views

How to specify transparent colors?

What options are there to specify transparent colors, say the background in the example below? I thought xcolor would be able to do this but I can not find any reference to "alpha" or "transparency" ...
15
votes
1answer
2k views

coloring every other row of a table, with vertical lines

I am making a table that needs every other row colored. I thought to use this. \usepackage[table,svgnames]{xcolor} \rowcolors{1}{white}{gray!15} But my table has vertical bars ...
15
votes
2answers
1k views

Tables: Colouring odd/even mixed up

I have a huge document (around 100 pages) and a lot of tables in it. I used \usepackage[table]{xcolor} \definecolor{lightblue}{rgb}{0.93,0.95,1.0} \rowcolors{1}{white}{lightblue} % odd = white, even ...
15
votes
1answer
10k views

How to change white background of an included PDF to transparent

I have an external 100 pages PDF document (not created by pdflatex) that I \includegraphics page-wise into a beamer presentation. The external PDF document employs white as page color, but I need the ...
15
votes
1answer
6k views

Coloring columns in a table with colortbl and booktabs

I have created a rather complicated table with some columns that I want to color. For the table, I chose the booktabs and tabularx packages. For coloring the columns, I use colortbl. The problem that ...
15
votes
1answer
862 views

How can I have text colored on screen and black on printing?

I have a document with colored hyperlinks, using the options of the hyperref package. I also have lots of tikz-figures that use various shades of gray and occasionally some colors. The way my ...