我收到此错误信息:
! 包 xcolor 错误:未定义颜色模型“蓝色”。
tex.stackexchange 上没有任何帖子能够帮助我。
我使用了 sharelatex.sty 模板的修改版本。这是我的代码:
%==============================================================================
% Beamer style for posters
% // based on 'cpbgposter' beamer theme //
%==============================================================================
\ProvidesPackage{beamerthemesharelatex}
\RequirePackage{tikz}
\usetikzlibrary{arrows,decorations.pathmorphing,backgrounds,calc}
\RequirePackage[T1]{fontenc}
\RequirePackage{lmodern}
\RequirePackage{textcomp}
\RequirePackage{amsmath,amssymb}
\usefonttheme{professionalfonts}
\usepackage{ragged2e}
% normal math font
%\usepackage{mathptmx}
% funny math font
\usepackage{euler}
%%% other text fonts
%\usepackage{palatino}
%\usepackage{bookman}
%\usepackage{utopia}
%\usepackage{tgpagella}
%\usepackage{tgheros}
%
%\renewcommand\rmdefault{qtm}
%\renewcommand\sfdefault{qhv}
%\renewcommand\ttdefault{qcr}
\renewcommand\ttdefault{lmvtt}
% multicols
\usepackage{multicol}
\setlength{\columnsep}{80pt}
% captions
\usepackage[justification=justified,listformat=simple,format=plain,labelformat=simple]{caption}
\usepackage{url}
%\usepackage{xcolor}
\usepackage{pgf}
\usepackage{pgfpages}
\pgfpagesdeclarelayout{boxed}
{
\edef\pgfpageoptionborder{0pt}
}
{
\pgfpagesphysicalpageoptions
{%
logical pages=1,%
}
\pgfpageslogicalpageoptions{1}
{
border code=\color[blue]{0.4}\pgfsetlinewidth{20pt}\pgfstroke,%
border shrink=\pgfpageoptionborder,%
resized width=.98\pgfphysicalwidth,%
resized height=.98\pgfphysicalheight,%
center=\pgfpoint{.5\pgfphysicalwidth}{.5\pgfphysicalheight}%
}%
}
\pgfpagesuselayout{boxed}
%==============================================================================
% define basic colors
%==============================================================================
%==============================================================================
\definecolor{color0} {RGB}{0,0,0} %%% text color
\definecolor{color1} {RGB}{20,66,129} %%% title and subsection color
\definecolor{color2} {RGB}{28,130,185} %%% section color
\definecolor{color3} {RGB}{255,253,250} %%% background color
%==============================================================================
%==============================================================================
%set the basic colors palette
% \setbeamercolor{palette primary} {fg=color0,bg=color3}
% \setbeamercolor{palette secondary} {fg=color0,bg=color3}
% \setbeamercolor{palette tertiary} {fg=color0,bg=color3}
% \setbeamercolor{palette quaternary}{fg=color0,bg=color3}
\setbeamercolor{structure}{fg=color1}
% \setbeamercolor{titlelike} {bg=color1,fg=color3}
% \setbeamercolor{frametitle} {bg=color2!10,fg=color2}
%
\setbeamercolor{colorbar}{fg=color0,bg=color1}
\setbeamercolor{normal text}{fg=color0}
% background color
\beamertemplatesolidbackgroundcolor{color3}
%\beamertemplateshadingbackground{color3}{color3!70!color1}
%set the fonts
\setbeamerfont{section in head/foot}{series=\bfseries}
\setbeamerfont{block title}{series=\bfseries}
\setbeamerfont{block alerted title}{series=\bfseries}
\setbeamerfont{frametitle}{series=\bfseries}
\setbeamerfont{frametitle}{size=\Large}
\setbeamerfont{caption}{size=\normalsize}
\setbeamerfont{caption name}{size=\normalsize}
%set some beamer theme options
\setbeamertemplate{title page}[default][colsep=-4bp,rounded=true]
\setbeamertemplate{sections/subsections in toc}[square]
\setbeamertemplate{items}[circle]
\setbeamertemplate{blocks}[width=0.0]
\beamertemplatenavigationsymbolsempty
%set bibliography style
\setbeamertemplate{bibliography item}[text]
\setbeamercolor{bibliography item}{fg=color0,bg=color3}
\setbeamercolor{bibliography entry author}{fg=color0,bg=color3}
\setbeamerfont{bibliography item}{size=\small}
\setbeamerfont{bibliography entry author}{size=\small}
%
%==============================================================================
% build the poster title
%==============================================================================
\setbeamertemplate{headline}{
\leavevmode
\begin{columns}
\begin{column}{0.15\linewidth}
\begin{center}
\includegraphics[width=1\linewidth]{images/ericae}
\end{center}
\end{column}
\begin{column}{.7\linewidth}
\vskip2cm
\centering
%\usebeamercolor{title in headline}
{\color{color2} \textbf{\huge{\inserttitle}}\\[1ex]}
\vskip 1.5cm
%\usebeamercolor{author in headline}
{\color{fg} \Large{\insertauthor}\\[1ex]}
%\usebeamercolor{institute in headline}
{\color{fg} \large{\insertinstitute}\\[1ex]}
\vskip2cm
\end{column}
\begin{column}{.15\linewidth}
\begin{center}
\includegraphics[width=1\linewidth]{images/ulaval}
\end{center}
\end{column}
\vspace{1cm}
\end{columns}
%%% additional bar under titles
%\begin{beamercolorbox}[colsep=0.5cm]{colorbar}
%\end{beamercolorbox}
}
%==============================================================================
% build the poster foot
%==============================================================================
\setbeamertemplate{footline}{
\leavevmode
\vskip2cm
\begin{center}
\begin{minipage}[c][3cm][c]{0.95\textwidth}
\begin{center}
%
\begin{flushleft}
\vskip-1cm
\begin{tikzpicture}[
remember picture,overlay,
%background rectangle/.style={fill=color3},show background rectangle
]
\shade [inner color=color2,outer color=color3] (0,0) rectangle (\textwidth,0.3cm);
\end{tikzpicture}
\end{flushleft}
%
\vskip1cm
\centering
%\usebeamercolor{title in headline}
{\color{fg} \textbf{\large{\insertshorttitle}}}
%
\end{center}
\end{minipage}
\end{center}
\vskip1cm
}
%
%==============================================================================
% Section and subsection re-definitions
\renewcommand{\section}[1]{
\par\vskip\medskipamount%
%
\begin{flushleft}
\begin{tikzpicture}[remember picture,overlay]
\shade [inner color=color2,outer color=color3] (0,0) rectangle (\columnwidth,0.3cm);
\end{tikzpicture}
\end{flushleft}
%
\begin{center}
%\vskip1cm
{\textcolor{color2}{\textbf{\Large #1}}}
{\parskip0pt\par}
\end{center}
%
\begin{flushleft}
\vskip-1cm
\begin{tikzpicture}[remember picture,overlay]
\shade [inner color=color2,outer color=color3] (0,0) rectangle (\columnwidth,0.3cm);
\end{tikzpicture}
\end{flushleft}
%
{\parskip0pt\par}
\justifying
}
%%%
\renewcommand{\subsection}[1]{
\par\vskip\medskipamount%
\begin{center}
\vskip0.8cm
{\textcolor{color1}{\textbf{\textsl{\large #1}}}}
{\parskip0pt\par}
\end{center}
%
\justifying
}
%==============================================================================
Below is the poster.tex code:
\documentclass[final]{beamer}
\usepackage[orientation=portrait,size=a0,
scale=1.25 % font scale factor
]{beamerposter}
\geometry{
hmargin=2.5cm, % little modification of margins
}
%
\usepackage[utf8]{inputenc}
\linespread{1.15}
%
%==The poster style============================================================
\usetheme{sharelatex}
%==Title, date and authors of the poster=======================================
\title
[Journée de la recherche de la Faculté des Sciences et de Génie de l'Université Laval, 12 mars 2014] % Conference
{ % Poster title
Réingénierie des logiciels d'enseignement à distance à l'aide de techniques d'ingénierie de connaissance %\ldots{}
}
\author{ % Authors
Tonguim Ferdinand GUINKO, Laurence CAPUS
}
\institute
[Very Large University] % General University
{
\{tonguim-ferdinand.guinko.1, laurence.capus\}@ulaval.ca \\[0.3ex]
Laboratoire ERICAE\\[0.3ex]
Département d'informatique et genie logiciel\\[0.3ex]
Université Laval
}
\date{\today}
\begin{document}
\begin{frame}[t]
答案1
border code=\color[blue]{0.4}\pgfsetlinewidth{20pt}\pgfstroke,%
我想你的意思是颜色模型灰色\color[gray]{0.4}
或者\color{blue!40}