text: #include <iostream>
  #include <iomanip>
  
  #include "color/color.hpp"
  
  
  int main( int argc, char *argv[] )
   {
    ::color::rgba<double> a, b;
  
    a = ::color::constant::orange_t{};
    b = ::color::constant::lime_t{};
  
    ::color::rgba<double> j;
  
    ::color::set::alpha( a, 0.5 );
    ::color::set::alpha( b, 0.25 );
  
    j = ::color::operation::mix( a, b );
    std::cout<< " j = mix( orange(0.5), lime(0.25) ) = ";
  
    std::cout << j[0] << ", " << j[1] << ", " << j[2] << std::endl;
  
    std::cout << std::endl;
  
    return EXIT_SUCCESS;
   }
  