Here I have a small example of the poster template I am using









\newcommand{\Matrix}[1]{\begin{bmatrix} #1 \end{bmatrix}}
\newcommand*{\SET}[1]  {\ensuremath{\mathcal{#1}}}
\newcommand*{\MAT}[1]  {\ensuremath{\mathbf{#1}}}
\newcommand*{\VEC}[1]  {\ensuremath{\bm{#1}}}
\newcommand*{\norm}[1]{\mathopen\| #1 \mathclose\|}% use instead of $\|x\|$
\newcommand*{\abs}[1]{\mathopen| #1 \mathclose|}% use instead of $\|x\|$
\newcommand*{\absLR}[1]{\left| #1 \right|}% use instead of $\|x\|$

\def\norm#1{\mathopen\| #1 \mathclose\|}% use instead of $\|x\|$
\newcommand{\normLR}[1]{\left\| #1 \right\|}% use instead of $\|x\|$




\typeout{Poster Starts}
  \begin{tikzpicture}[remember picture,overlay]%
    \draw (current page.north west)+(-2em,-0em) node[anchor=north west] {\hspace{-2em}\includegraphics[height=1.1\textheight]{silhouettes_background}};

  % Show grid to help with alignment
  % Column spacing
  % Color style
  % Format of textbox
  % Format of text header
  headerfont=\Large\textsf, %Sans Serif
%  background=shade-tb,
  % Eye Catcher
  {} % No eye catcher for this poster. If an eye catcher is present, the title is centered between eye-catcher and logo.
  % Title
  {\sf %Sans Serif
  %\bf% Serif
  Expression Invariant Face Recognition using a 3D Morphable Model}
  % Authors
  {\sf %Sans Serif
  % Serif
  Brian Amberg\hspace{3em}
  University of Basel, Switzerland
  % University logo

  \tikzstyle{light shaded}=[top color=baposterBGtwo!30!white,bottom color=baposterBGone!30!white,shading=axis,shading angle=30]

  % Width of left inset image

      \tikz{\useasboundingbox (-0.2em,-0.32em) rectangle(0.2em,0.32em); \draw[draw=black,fill=baposterBGone!80!black!#1!white,line width=0.03em] (0,0) circle(0.18em);}}

   {}We introduce a method for expression invariant face recognition. A
   generative 3D Morphable Model (3DMM) is used to separate identity and
   expression components. The expression removal results in greatly increased
   recognition performance, even on difficult datasets, without a decrease in
   performance on expression-less datasets.

   It is applicable to any kind of input data, and was evaluated here on
   textureless range scans.


And I want to remove the background colour, which is like a yellowish colour, for my box titled Contribution.

I have read this thread Change background of boxes in baposter but I don't think it's applicable for me as I can't see anything called 'textborder'

Sorry if this is a stupid question. Thank you


From baposter documentation:

enter image description here

As you can read, plain mode uses bgColorOne which you have defined as bgColorOne=lighteryellow. Change it to white and the shadow will disappear. Or change background style from plain to none.

enter image description here

Update: Changing text background

I cannot find in documentation, but from baposter.cls, the background of text in baposter boxes is defined with boxColorOne and boxColorTwo. Therefore, change these parameter in poster header or in second parameter of a headerbox (see below) to obtain the desired result:

         column=0, row=0, span=4, 
         boxColorOne=green!30 %<--------------

enter image description here

Side note:

If you are starting with baposter, may be you want to give a try to poster library (from tcolorbox) which uses similar positioning system as baposter, it's a little better documented and offers some other options as flowing text from one box to another. This is a nice tutorial and here one example

| improve this answer | |
  • I want to change the colour inside the text box. That orange/yellow colour with the black text over it. Not the full background – Gragbow Feb 6 '18 at 15:30
  • @Gragbow I've not well understood. To change text in boxes background play with boxColorOne and boxColorTwo. – Ignasi Feb 6 '18 at 15:42
  • @Gragbow Please, look at my updated answer. – Ignasi Feb 6 '18 at 16:10

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