Color changing under graphic inclusion with graphicx

[Herbert Voss]

Am 09.01.21 um 21:08 schrieb Paulo Ney de Souza:
> I have (a couple) of PNG images with a background color of, for 
> example, RGB(80,64,83), that when placed on a page of the same 
> background color with {graphicx} -- they show a distinct tonality 
> against the background -- which is of the same color.
>
> ````
> \documentclass{report}
>
> \usepackage{xcolor}

try

\usepackage[RGB]{xcolor}

to use xcolor with the colormodel RGB. A color in different models
is not always the same!

my output is attached.


Herbert





> \definecolor{bgcolor}{RGB}{80,64,83}
>
> \usepackage{graphicx}
> \pagestyle{empty}
>
> \begin{document}
>
> \pagecolor{bgcolor}
> \includegraphics[width=0.5\textwidth]{A.png}
> \quad
> \includegraphics[width=0.5\textwidth]{B.png}
>
> \medskip
>
> \includegraphics[width=0.5\textwidth]{A-gimp.png}
> \quad
> \includegraphics[width=0.5\textwidth]{B-gimp.png}
>
> \end{document}
> ````
>
>

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