\ExplSyntaxOn

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% Define colors, sampled from the books.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

% Page
\definecolor {bgtan}    {HTML} {F7F2E5}	% RpgReadAloud background
\definecolor {bgtan2018}{HTML} {F9EFD6} % lighter version of bgtan from the 2018 Basic Rules
\definecolor {pagegold} {HTML} {B89A67} % pagenumbers and footer

% Type
\definecolor {titlered}    {HTML} {58180D} % titles
\definecolor {titlegold}   {HTML} {C9AD6A} % titlerules
\definecolor {rulered}     {HTML} {9C2B1B} % triangular rule in statsblock
\definecolor {contourgray} {HTML} {CACCBE} % outline color in part & chapter font

% Type aliases
\colorlet {contourgrey} {contourgray}

% Trim
\definecolor {BrGreen}       {HTML} {E8E6DC} % Basic Rules
\definecolor {PhbLightGreen} {HTML} {E0E5C1} % PHB Part 1
\definecolor {PhbLightCyan}  {HTML} {B5CEB8} % PHB Part 2
\definecolor {PhbMauve}      {HTML} {DCCCC5} % PHB Part 3
\definecolor {PhbTan}        {HTML} {E5D5AC} % PHB appendix
\definecolor {DmgLavender}   {HTML} {E3CED3} % DMG Part 1
\definecolor {DmgCoral}      {HTML} {F3D7C1} % DMG Part 2
\definecolor {DmgSlateGray}  {HTML} {DBE4E4} % DMG Part 3
\definecolor {DmgLilac}      {HTML} {D7D4D6} % DMG appendix

% Trim aliases
\colorlet {DmgSlateGrey} {DmgSlateGray}

% The color used in \RpgSetThemeColor when a new color is not set
\colorlet {themecolor} {PhbLightGreen} % Set the default theme to Part 1 of the PHB.

% Element colors that change when \RpgSetThemeColor is used
\colorlet {commentcolor} {themecolor} % RpgComment background
\colorlet {sidebarcolor} {themecolor} % RpgSidebar background
\colorlet {tablecolor}   {themecolor} % RpgTable even row background

% Element colors that do not respond to \RpgSetThemeColor
\colorlet {readaloudcolor} {bgtan} % RpgReadAloud background
\definecolor {statblockribbon} {HTML} {E69A28} % stat block top/bottom borders (gold)
\definecolor {statblockbg}     {HTML} {FDF1DC} % stat block background (tan)

% Sets the themecolor and colors for all themed elements
% If called without the optional color, resets the color of all themed elements to the current themecolor
\NewDocumentCommand {\RpgSetThemeColor} { O {themecolor} }
  {
    \colorlet {themecolor}   {#1}
    \colorlet {commentcolor} {#1}
    \colorlet {sidebarcolor} {#1}
    \colorlet {tablecolor}   {#1}
  }
