javascript - How to dynamically add color to a gauge chart in highchart? -


i have gauge chart showing different label different parameters want add color needles dynamically while loading chart.how can ?? posting s fiddle ,i have tried couldn't . here fiddle 

tooltip: {     formatter: function() {         var = 0,             j, y = this.y;          arrttf.foreach(function(ttf) {              if (ttf == y) {                 j = i;                 return;             }             i++;         });          return arrlabel[j] + ": " + y + ' km/h';     } }

above code helped me put different label needles,but couldn't put different color runtime

gauge


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