highlight.sty

% Siavoosh Payandeh Azad Jan. 2019
\ProvidesPackage{highlight}[Cell background highlighting based on user data]
\RequirePackage{etoolbox}
\RequirePackage{pgf} % for calculating the values for gradient
\RequirePackage{xcolor} % enables the use of cellcolor make sure you have [table] option in the document class 
% Color set related!
\definecolor{high}{HTML}{ef3b2c}  % the color for the highest number in your data set
\definecolor{low}{HTML}{fff7bc}  % the color for the lowest number in your data set
\newcommand*{\opacity}{90}% here you can change the opacity of the background color!
%======================================
% Data set related!
\newcommand*{\minval}{0.0}% define the minimum value on your data set
\newcommand*{\maxval}{1.0}% define the maximum value in your data set!
%======================================
% gradient function!
\newcommand{\gradient}[1]{
	% The values are calculated linearly between \minval and \maxval
	\ifdimcomp{#1pt}{>}{\maxval pt}{#1}{
		\ifdimcomp{#1pt}{<}{\minval pt}{#1}{
			\pgfmathparse{int(round(100*(#1/(\maxval-\minval))-(\minval*(100/(\maxval-\minval)))))}
			\xdef\tempa{\pgfmathresult}
			\cellcolor{high!\tempa!low!\opacity}
	}}
}
%\newcommand{\gradient}[1]{
%    % The values are calculated linearly between \minval and \maxval
%    \ifdimcomp{#1pt}{>}{\maxval pt}{#1}{
%    \ifdimcomp{#1pt}{<}{\minval pt}{#1}{
%         \pgfmathparse{int(round(100*(#1/(\maxval-\minval))-(\minval*(100/(\maxval-\minval)))))}
%        \xdef\tempa{\pgfmathresult}
%        \cellcolor{high!\tempa!low!\opacity} #1
%    }}
% }
%======================================
% gradient function single cell! 
\newcommand{\gradientcell}[6]{
    % The values are calculated linearly between \minval and \maxval
    \ifdimcomp{#1pt}{>}{#3 pt}{#1}{
    \ifdimcomp{#1pt}{<}{#2 pt}{#1}{
         \pgfmathparse{int(round(100*(#1/(#3-#2))-(\minval*(100/(#3-#2)))))}
        \xdef\tempa{\pgfmathresult}
        \cellcolor{#5!\tempa!#4!#6} #1
    }}
 }