\usepackage{xcolor}

\setmainfont{BIJ1}[
    Path = ./bij1-font/,
    Extension = .ttf,
    UprightFont = *-Regular,
    BoldFont = *-Medium,
]

\definecolor{yellow}{RGB}{255,255,0}  % #FFFF00
\definecolor{black}{RGB}{0,0,0}       % #000000
\definecolor{white}{RGB}{255,255,255} % #FFFFFF
\definecolor{grey}{RGB}{237,237,237}  % #EDEDED
\definecolor{orange}{RGB}{255,150,0}  % #FF9600
\definecolor{pink}{RGB}{255,0,186}    % #FF00BA
\definecolor{green}{RGB}{79,214,0}    % #4FD600
\definecolor{purple}{RGB}{199,0,191}  % #C700BF
\definecolor{red}{RGB}{255,0,0}       % #FF0000
\definecolor{blue}{RGB}{0,204,0}      % #00CCFF