\usepackage{color}

% Colours 
\definecolor{gray70}{gray}{.3}
\definecolor{gray50}{gray}{.5}
\definecolor{gray20}{gray}{.8}
\definecolor{gray05}{gray}{.95}
\definecolor{gray00}{gray}{1.0}

\definecolor{blueG}{RGB}{0,76,103}
\definecolor{greyG}{RGB}{172,160,149}
\definecolor{orangeG}{RGB}{255,160,35}

\definecolor{grayFri}{gray}{.3}