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I am facing a problem. In my poster, I use a color theme, for that reason in figure caption comes with green color, that is quite invisible.enter image description here

Is it possible to change the color?

\documentclass[final, 12pt]{beamer}
\usepackage[absolute,overlay]{textpos}% text under figure
\usepackage{ragged2e} %for justify tex


    \def\insertblocktitle{ \centering#2\par}%
    \usebeamertemplate{block begin}}
    \usebeamertemplate{block end}%



\caption{ Individual source location A ($\mathrm{L_{A}}$) .}

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up vote 11 down vote accepted

You can set the caption name color:

\setbeamercolor{caption name}{<color>}

For example, you could use

\setbeamercolor{caption name}{fg=structure!70!black}

enter image description here

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The above answer didn't work for me, but rummaging through texdoc and online search this finally worked: \captionsetup{textfont=black,labelfont=black} (That's in the document's preamble) Hope it helps someone else. – user18570 Sep 10 '12 at 15:51
\captionsetup requires additional packages, (caption, for example); using just black will produce errors, since just black is not a default valid option for textfont or labelfont`. – Gonzalo Medina Sep 10 '12 at 17:55
@JunCTionS For me, Gonzalo's method does work perfectly well – Joseph Wright Sep 10 '12 at 19:39

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