How to write text in LaTeX with "mixture of 3 colours"

I need help to write text in LaTeX – a mixture of 3 colors.

documentclass{article}
usepackage{xcolor}
begin{document}
    
%% Single-color
textcolor{blue}{I used Single color for this text}

 %% Two-colors
 textcolor{blue!50!red}{I used two colors for this text}

  %% Three-colors

textcolor{green!!red!!yellow}{It is the correct way to use three colors for this text}
    
%%or
textcolor{green!40!red!20!yellow}{It is the correct way to use three colors for this text}
    
end{document}