Change barplot colours to account for colour blindness

contents.tex

@@ -305,7 +305,7 @@ entweder automatisch auf \texttt{hhucolorcycle} oder \texttt{hhubwcycle}.
       \addplot coordinates {(A,60) (B, 60)};
       \addplot coordinates {(A,45) (B, 45)};
       \addplot coordinates {(A,30) (B, 30)};
-      \legend{blue, red, green, orange, cyan}
+      \legend{blue, orange, green, red, cyan}
     \end{axis}
   \end{tikzpicture}
   \caption[Bar plot with short version of caption for List of Figures]{%

hhuthesis.cls

 \NeedsTeXFormat{LaTeX2e}
-\ProvidesClass{hhuthesis}[2023/10/23 HHU Thesis LaTeX document class v1.26]
+\ProvidesClass{hhuthesis}[2024/02/14 HHU Thesis LaTeX document class v1.27]
 
 \DeclareOption*{\PassOptionsToClass{\CurrentOption}{article}} % Options fallback.
 \ProcessOptions\relax
@@ -67,17 +67,18 @@
 
 \RequirePackage{tikz}
 \RequirePackage{pgf,pgfplots}
+\usetikzlibrary{patterns}
 %% Setup of colour cylce lists for pgfplots
 \pgfplotscreateplotcyclelist{hhucolorcycle}{
   solid,hhublue,every mark/.append style={solid},mark=*\\
-  dashed,hhured,every mark/.append style={solid},mark=square*\\
+  dashed,hhuorange,every mark/.append style={solid},mark=square*\\
   dashdotted,hhugreen,every mark/.append style={solid},mark=diamond*\\
-  dotted,hhuorange,every mark/.append style={solid},mark=triangle*\\
+  dotted,hhured,every mark/.append style={solid},mark=triangle*\\
   densely dashed,hhucyan,every mark/.append style={solid},mark=star\\
   loosely dashed,hhublue,every mark/.append style={solid},mark=o\\
-  loosely dotted,hhured,every mark/.append style={solid},mark=square\\
+  loosely dotted,hhuorange,every mark/.append style={solid},mark=square\\
   densely dashed,hhugreen,every mark/.append style={solid},mark=diamond\\
-  loosely dashdotted,hhuorange,every mark/.append style={solid},mark=triangle\\
+  loosely dashdotted,hhured,every mark/.append style={solid},mark=triangle\\
   densely dotted,hhucyan,every mark/.append style={solid},mark=star\\
 }
 \pgfplotscreateplotcyclelist{hhubwcycle}{ % For black/white print
@@ -95,10 +96,10 @@
 %% The same for bar plots
 \pgfplotscreateplotcyclelist{hhucolorbars}{
   {fill=hhublue!30!white, draw=hhublue, text=hhublue},
-  {fill=hhured!30!white, draw=hhured, text=hhured},
-  {fill=hhugreen!30!white, draw=hhugreen, text=hhugreen},
-  {fill=hhuorange!30!white, draw=hhuorange, text=hhuorange},
-  {fill=hhucyan!30!white, draw=hhucyan, text=hhucyan}
+  {fill=hhuorange!30!white, draw=hhuorange, text=hhuorange, postaction={pattern=crosshatch dots, pattern color=hhuorange}},
+  {fill=hhugreen!30!white, draw=hhugreen, text=hhugreen, postaction={pattern=north west lines, pattern color=hhugreen}},
+  {fill=hhured!30!white, draw=hhured, text=hhured, postaction={pattern=grid, pattern color=hhured}},
+  {fill=hhucyan!30!white, draw=hhucyan, text=hhucyan, postaction={pattern=north east lines, pattern color=hhucyan}}
 }
 \pgfplotscreateplotcyclelist{hhubwbars}{
   {fill=black!75!white, draw=black},