\\definecolor{NoteColor}{RGB}{204,255,255}
        \\definecolor{WarningColor}{RGB}{255,204,204}
        \\definecolor{AttentionColor}{RGB}{255,255,204}
+       \\definecolor{ImportantColor}{RGB}{192,255,204}
        \\definecolor{OtherColor}{RGB}{204,204,204}
         \\newlength{\\mynoticelength}
         \\makeatletter\\newenvironment{coloredbox}[1]{%
                    \\ifthenelse%
                    {\\equal{\\py@noticetype}{attention}}%
                    {\\colorbox{AttentionColor}{\\usebox{\\@tempboxa}}}%
-                   {\\colorbox{OtherColor}{\\usebox{\\@tempboxa}}}%
+                   {%
+                      \\ifthenelse%
+                      {\\equal{\\py@noticetype}{important}}%
+                      {\\colorbox{ImportantColor}{\\usebox{\\@tempboxa}}}%
+                      {\\colorbox{OtherColor}{\\usebox{\\@tempboxa}}}%
+                   }%
                 }%
              }%
         }\\makeatother