How do I change the color of itemize bullet? specific and default

Question

I want to change the color of the bullet on itemize. How to do so?

Answer 1

A per-\item change of colour is possible using the optional argument of \item[..], and using the same label as itemize - $\bullet$ or \textbullet.

For changing the default settings, you can either supply an updated label to the itemize environment, or create your own using \newlist together with \setlist:

\documentclass{article}

\usepackage{enumitem,xcolor}

\setlength{\parindent}{0pt}% Just for this example

\begin{document}

A list with a specific \verb|\item| changed:
\begin{itemize}
  \item First item
  \item[\textcolor{blue}{\textbullet}] Second item
  \item Last item
\end{itemize}

Default \verb|itemize| list with updated \verb|label|:
\begin{itemize}[label=\textcolor{blue}{\textbullet}]
  \item First item
  \item Second item
  \item Last item
\end{itemize}

Completely new list \verb|coloritemize|:
\newlist{coloritemize}{itemize}{1}
\setlist[coloritemize]{label=\textcolor{blue}{\textbullet}}

\begin{coloritemize}
  \item First item
  \item Second item
  \item Last item
\end{coloritemize}

\end{document}

You can further customise the output to use a colour of your choice. Here's one such option:

\documentclass{article}

\usepackage{enumitem,xcolor}

\newlist{coloritemize}{itemize}{1}
\setlist[coloritemize]{label=\textcolor{itemizecolor}{\textbullet}}
\colorlet{itemizecolor}{.}% Default colour for \item in itemizecolor

\setlength{\parindent}{0pt}% Just for this example

\begin{document}

\colorlet{itemizecolor}{red}

\begin{coloritemize}
  \item First item
  \item Second item
  \item Last item
\end{coloritemize}

\colorlet{itemizecolor}{blue}

\begin{coloritemize}
  \item First item
  \item Second item
  \item Last item
\end{coloritemize}

\end{document}

Answer 2

You may also use the following solution (e.g. if you want to change style of your itemised list globally but don't want to renew commands to keep use of its optional parameters):

\renewcommand{\labelitemi}{$\textcolor{blue}{\bullet}$}
\renewcommand{\labelitemii}{$\textcolor{blue}{\cdot}$}
\renewcommand{\labelitemiii}{$\textcolor{blue}{\diamond}$}
\renewcommand{\labelitemiv}{$\textcolor{blue}{\ast}$}