Single bar of different colour in histogram

This is my histogram:

documentclass[a4paper,11pt, twoside]{book}

usepackage{pgfplots}
pgfplotsset{width=7cm,compat=1.8}
usepackage{pgfplotstable}
renewcommand*{familydefault}{sfdefault}

begin{document}

begin{tikzpicture}
  centering
 
  begin{axis}
    [
    %%%%
         ybar, axis on top, x tick label style={rotate=45,anchor=east},
        %%%%
          title={},
        %%%%
           height=6cm, width=12cm,
        %%%%
          bar width=0.1cm,
%        ymajorgrids, tick align=inside,
%        major grid style={draw=white},
%        enlarge y limits={value=.1,upper},
        ymin=0, ymax=30,
        %%%%
        axis x line*=bottom,
        %%%%
        axis y line*=left,
        %%%%
        y axis line style={opacity=0},
        %%%%
        tickwidth=0pt,
        %%%%
        enlarge x limits=true,
%%%%
%%%%
        legend style={
            at={(0.5,-0.2)},
            anchor=north,
            legend columns=-1,
            /tikz/every even column/.append style={column sep=0.5cm}
        },
%%%%
        ylabel={Amount issued EUR bn},
        symbolic x coords={
          Korea,
          Hungary,
          Luxemburg,
          Sweden,
          Indonesia,
          Poland,
          Hong-Kong,
          Chile, 
          Ireland, 
          Italy, 
          Belgium,
          Netherlands,
          Germany, 
          France},
       xtick=data,
%       nodes near coords={
%        pgfmathprintnumber[precision=0]{pgfplotspointmeta}
%       }
    ]
    addplot [draw=none, fill=blue!30] coordinates {
      (Korea,0.5)
      (Hungary, 1.5) 
      (Luxemburg,2)
      (Sweden,2.2) 
      (Indonesia,2.5) 
      (Poland,3.8)
      (Hong-Kong,4) 
      (Chile,5.1) 
      (Ireland, 6)
      (Italy, 8)
      (Belgium, 8.5)
      (Netherlands, 8.8)
      (Germany, 11.8)
      (France, 27.5)
      };

    legend{footnotesize Figure 1: Main sovereign issuers of green bonds (amount issued in billions of euros), Source: Bloomberg (March 3, 2021). }
  end{axis}
  end{tikzpicture}

end{document}

I would like to make just one of those bars of a different colour, and to put down the legend a bit (now it is overlapping with the names of the countries). How could I do it?

Any suggestion is appreciated.