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

learn more… | top users | synonyms (1)

16
votes
2answers
13k 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. ...
16
votes
1answer
4k views

Background color gradient for entire document

Is anyone aware if it's possible to change an entire document's background to a fading color? In other words, can you take silver and slowly fade it to white from left to right and have this same ...
16
votes
1answer
519 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 ...
16
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 & ...
16
votes
3answers
17k 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" ...
16
votes
1answer
4k views

pdftooltip from pdfcomment package: Using LaTeX code in tooltip

I work as a Physics teacher and I am writing a "Problem-Solution-Book" with hyperlinks from problems to solutions and backreferencing -- all of it works pretty good. Now I wanted to introduce ...
16
votes
1answer
7k views

Changing the color of \alert command in Beamer

Is it possible to change the color of \alert command in beamer. See, it is not the alertblock! For example, I would like to change to color yellow, because the standard color is red, and my background ...
16
votes
2answers
12k 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 ...
16
votes
1answer
1k views

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

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 ...
16
votes
1answer
607 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
5k views

Use CSS-style color specifications in xcolor?

I have colors on my website #eff5f9 and #dfecf7. I would like to also use them in a latex document. Is there a way to use such hexadecimal specifications with xcolor? I've tried to read the xcolor ...
15
votes
1answer
45k views

Highlight, textcolor, and boldface simultaneously

I would like some portion of the text to have all three features but it's not compiling. It works two at a time but not with all three. \hl{\textbf{foo}} \hl{\textcolor{red}{foo}} ...
15
votes
3answers
12k 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
2answers
12k views

LaTeX Error: Option clash for package xcolor

I have an option clash between package xcolor and another package, but I don't know which. Here is my MWE \documentclass[10pt]{beamer} \setbeamertemplate{navigation symbols}{} \usepackage{caption} ...
15
votes
2answers
17k views

How to highlight table rows by colors in Beamer

I would like to highlight rows in tables, in rowwise, that is I would like to highlight row 1 in red, then make row 1 in black but row 2 in red, etc. How can I manage to do so in Beamer?
15
votes
2answers
11k views

Link formatting: colors, underlines in moderncv

Following the excellent advice in this site, I have started using moderncv for writing the new version of my CV. Unfortunately, after converting to PDF, my http links work (clicking on them leads to ...
15
votes
2answers
2k views

Figuring out RGB or HEX color from xcolor

I have defined a color using: \definecolor{canvascolor}{rgb}{0.643,0.690,0.843} Then this is used with this command like canvascolor!75!white from xcolor. This is actually done in the beamer theme ...
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
2answers
328 views

Extra space added after equation when it is coloured

For some reason space is added after my equation when I colour it. This does not happen if the colour is added to text. Is there a simple way to prevent this from happening, like a global setting (I ...
15
votes
3answers
411 views

Coloring Arab suffix without losing connection

How can I change the color of Arab word endings without losing the connections? It's just ugly and loses readability. I'm using Tex Live 2012: arabxetex with xelatex but any package and/or engine is ...
15
votes
2answers
447 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
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
677 views

Tikz patterns and cmyk color model

Consider the following example. \documentclass{standalone} \usepackage[cmyk]{xcolor} \usepackage{tikz} \usetikzlibrary{patterns} \begin{document} \begin{tikzpicture} \tracingall \draw [pattern = ...
15
votes
1answer
609 views

Arabic with colored vowels and colored suffix … possible?

is it possible to do this with XelaTex? (Im using texmaker): I already tried some of the suggestions posted here, for instance by using Arabtex. But I wanted to this with arabic type text and not ...
14
votes
2answers
10k views

How to highlight important parts (with a gray background)

In the below link http://www.math.uiowa.edu/~goodman/algebrabook.dir/bookmt.pdf the author highlights anything which is important using a greyish color background. For example, if you see ...
14
votes
3answers
20k views

Change border color of \fbox [duplicate]

Possible Duplicate: Is there an \arrayrulecolor-like command to change the rule color of \fbox? I'm using an \fbox to have a border around a minipage. \fbox{ ...
14
votes
2answers
4k views

Color merged and regular cells in a table individually

In a LaTeX table with merged cells, how can I color each cell with a different color? %% LyX 1.6.7 created this file. For more info, see http://www.lyx.org/. %% Do not edit unless you really know ...
14
votes
4answers
7k views

Matrix change row or column background

I have a matrix shown below. I would like to have the whole row green rather than only the cells ... how can I do that? \begin{equation}\label{eq:appendrow} \newcommand\x{\times} ...
14
votes
2answers
1k views

Color gradient fill between three corners of a triangle

Updates Update1: Tried to implement solution by Harish Kumar (below) Update2: Added a real example of what I would like to get in the end. I have a feeling I tried to leave to many things out. ...
14
votes
2answers
15k views

Change Colour on Chapter/Section headings {Lyx}

I am using Lyx and Layout report for my thesis. I would like to change the colour of chapters sections and subsections (only the headings) from black to blue. I attach a screenshot in order to ...
14
votes
1answer
271 views

Spotcolor bleeds into the surrounding

This question led to a new package: xspotcolor I have a problem using spotcolor package. When using the package for redefining headers, titles, \emph etc. the color bleeds into the ...
14
votes
2answers
2k views

Coloring lines in an algorithm

I am using Beamer for creating a presentation and I am trying to highlight some lines in an algorithm. I am actually using algcompatible. I found a solution here and created a couple of new commands ...
14
votes
1answer
2k views

Listings package: How can I format all numbers?

I want to highlight all the numbers appearing in an input code of a certain program by, for example, coloring them. By numbers I mean integer, rational and floating point numbers. I am trying with the ...
14
votes
3answers
2k views

Can I change the font and colour of a letter permanently?

For my lectures, I like to colour the symbols in the equations to make it easier to follow what's going on - a bit like syntax highlighting. So all vector spaces are one colour, all sets another, e ...
14
votes
2answers
12k views

Changing style of alert environment in beamer

I would like to specify a background color in the alert environment. I can, for example, use \setbeamercolor{alerted text}{fg=blue} to change the colour of the alterted text to blue, but this ...
14
votes
1answer
2k views

how to change the color of the rule (vertical line) in twocolumn document?

I'd like to make the rule between the 2 columns very thin. I found that no matter how small of width I made it, the line was not thin enough for my liking (unless I make it zero, then it will ...
14
votes
2answers
746 views

Creating my first command

I want to create a command that will format code in a certain way. In this case I want code to be italic and red. So instead of doing \textcolor{red}{\textit code} I want to make a function, if you ...
14
votes
2answers
5k views

Multiple colour themes in one beamer presentation

I'm preparing a single seminar talk on three more-or-less unrelated results. In order to visually separate these results, I wanted to give each one a different (custom) colour theme for the ...
14
votes
1answer
567 views

\everymath and author color

Consider the following example: \documentclass[11pt]{paper} \usepackage[usenames]{color} \definecolor{foo}{rgb}{0.75,0.0,0.0} \everymath{\color{foo}} \title{something} \author{someone} ...
14
votes
1answer
14k views

How to define macro for colored text?

I know that it is possible to obtain colored text in Latex by including the color package and writing like \textcolor{red}{This is red text} How could I define a macro which would produce text of a ...
14
votes
2answers
3k views

Optimising TikZ pictures for greyscale printing

I often use colours in my TikZ pictures. Are there simple ways to make versions of these that will come out looking good if I print them on a B&W printer? For example, say I have some filled ...
14
votes
1answer
447 views

Intersection of 5 ellipses

I would like to fill the intersection of each of my 5 ellisses with the same color (black for example). It works very well with two. But with a third or more, I don't know how to "save" the first ...
14
votes
1answer
1k views

How do I force tikz to use CMYK everywhere (also in shadings)?

I'm doing a poster with the baposter which uses tikz and at some point realized that some colors that should be identical are not. It turns out that tikz apparently resorts to RGB color space as soon ...
14
votes
1answer
10k views

Change text background within paragraph (with automatic linebreaks)

How do I change the text color as well as the text background color for e.g. a sentence within a paragraph? I know \textcolor for coloring the font and \colorbox for background coloring ...
14
votes
1answer
854 views

Color gradient filling along a path

I want to make the gradient color to follow the pipe curve below rather than to span from the left to the right. The following MWE shows the default behavior which is not what I'm looking for. ...
13
votes
2answers
1k views

How to create Multilevel Colored Boxes using tcolorbox/any other package?

tcolorbox Manual provides the following example: Can anybody please suggest me how to create exactly this type of box - The no. of rows to add must be flexible(It seems that tcolorbox has no option ...
13
votes
5answers
1k views

LaTeX Tables: Cell value color based on its sign / conditional cell color

I've a long LaTeX document with many tables. Now I want to show negative values in cell in red color. I wonder how to do globally. My MWE is below: \documentclass{article} \begin{document} ...
13
votes
2answers
1k views

how to create PDF in grayscale mode or TikZ figure only?

how to create PDF in grayscale mode? convert PDF color in PDF grayscale. I need the PDF in grayscale color. Or in TikZ figure only.