passwordcard LaTeX templates based on http://tex.stackexchange.com/a/307935/7128

passwordcard_template.tex

\documentclass[fontsize=8.5pt]{scrartcl}

% set page size
\usepackage{geometry}
\geometry{
   paperwidth = 3.5in,
   paperheight = 2in,
   margin = 0.15in,
}

% load array for the '>{stuff}' syntax in tabular
\usepackage{array}

% load xcolor to define the colors
% 'table' option loads colortbl (reccomended way)
\usepackage[table]{xcolor}
% define the colors for the rows
\definecolor{row1}{HTML}{FFFFFF}
\definecolor{row2}{HTML}{C1C1C1}
\definecolor{row3}{HTML}{F0C4C1}
\definecolor{row4}{HTML}{D6FDC2}
\definecolor{row5}{HTML}{FFFFC3}
\definecolor{row6}{HTML}{C1C2FF}
\definecolor{row7}{HTML}{F0C5FF}
\definecolor{row8}{HTML}{D6FEFF}

% make rows a bit higher
\renewcommand{\arraystretch}{1.25}

% we want to use TikZ to add the border around the page
% to get it at the right position, compile twice!
\usepackage{tikz}
   \usetikzlibrary{calc}

\begin{document}
% content should be centered and in monotype font:
\centering\ttfamily
% 1. the border, relative to the 'current page' node
\begin{tikzpicture}[remember picture, overlay]
   \draw [rounded corners = 3mm, thick] ($(current page.north west)+(0.1in,-0.1in)$)
      rectangle ($(current page.south east)+(-0.1in,0.1in)$);
\end{tikzpicture}
% 2. the table containing the random codes
% - '>{\scriptsize}' manes add '\scriptsize' to every cell in this col
% - '\rowcolor{row1}' colors the row – who had guessed that ;-)
\begin{tabular}{>{\scriptsize}ll}
                  & Header row with same amount of characters \\
\rowcolor{row1} 1 & Some quite random charachters in this row \\
\rowcolor{row2} 2 & Some quite random charachters in this row \\
\rowcolor{row3} 3 & Some quite random charachters in this row \\
\rowcolor{row4} 4 & Some quite random charachters in this row \\
\rowcolor{row5} 5 & Some quite random charachters in this row \\
\rowcolor{row6} 6 & Some quite random charachters in this row \\
\rowcolor{row7} 7 & Some quite random charachters in this row \\
\rowcolor{row8} 8 & Some quite random charachters in this row \\
\end{tabular}

% 3. the smaller code at the bottom
% - \vfill inserst a stretchabe space, so the code is shifted to the
%   bottom of the page
\vfill
\scriptsize
Smaller code
\end{document}

passwordcard_template_with_standard_symbols.tex

\documentclass[fontsize=8.5pt]{scrartcl}

% set page size
\usepackage{geometry}
\geometry{
   paperwidth = 3.5in,
   paperheight = 2in,
   margin = 0.15in,
}

% load array for the '>{stuff}' syntax in tabular
\usepackage{array}

% load xcolor to define the colors
% 'table' option loads colortbl (reccomended way)
\usepackage[table]{xcolor}
% define the colors for the rows
\definecolor{row1}{HTML}{FFFFFF}
\definecolor{row2}{HTML}{C1C1C1}
\definecolor{row3}{HTML}{F0C4C1}
\definecolor{row4}{HTML}{D6FDC2}
\definecolor{row5}{HTML}{FFFFC3}
\definecolor{row6}{HTML}{C1C2FF}
\definecolor{row7}{HTML}{F0C5FF}
\definecolor{row8}{HTML}{D6FEFF}

% make rows a bit higher
\renewcommand{\arraystretch}{1.25}

% we want to use TikZ to add the border around the page
% to get it at the right position, compile twice!
\usepackage{tikz}
   \usetikzlibrary{calc}

\begin{document}
% content should be centered and in monotype font:
\centering\ttfamily
% 1. the border, relative to the 'current page' node
\begin{tikzpicture}[remember picture, overlay]
   \draw [rounded corners = 3mm, thick] ($(current page.north west)+(0.1in,-0.1in)$)
      rectangle ($(current page.south east)+(-0.1in,0.1in)$);
\end{tikzpicture}
% 2. the table containing the random codes
% - '>{\scriptsize}' manes add '\scriptsize' to every cell in this col
% - '\rowcolor{row1}' colors the row – who had guessed that ;-)
\begin{tabular}{>{\scriptsize}ll}
                  & Header row with same amount of characters \\
\rowcolor{row1} 1 & Some quite random+=!@\#\$\%\textasciicircum\&\*()\_-\textbackslash|'"`\textasciitilde \\
\rowcolor{row2} 2 & Some quite random charachters in this row \\
\rowcolor{row3} 3 & Some quite random charachters in this row \\
\rowcolor{row4} 4 & Some quite random charachters in this row \\
\rowcolor{row5} 5 & Some quite random charachters in this row \\
\rowcolor{row6} 6 & Some quite random charachters in this row \\
\rowcolor{row7} 7 & Some quite random charachters in this row \\
\rowcolor{row8} 8 & Some quite random charachters in this row \\
\end{tabular}

% 3. the smaller code at the bottom
% - \vfill inserst a stretchabe space, so the code is shifted to the
%   bottom of the page
\vfill
\scriptsize
Smaller code
\end{document}