chinmaymk#114, added beautiful default colors

Author: chinmaymk

src/angular-charts.js

@@ -8,19 +8,43 @@ angular.module('angularCharts', ['angularChartsTemplates']);
  */
 angular.module('angularCharts').directive('acChart', function($templateCache, $compile, $rootElement, $window, $timeout, $sce) {
 
-  var defaultColors = ['steelBlue', 'rgb(255,153,0)', 'rgb(220,57,18)', 'rgb(70,132,238)', 'rgb(73,66,204)', 'rgb(0,128,0)'];
+  var defaultColors = [
+    'rgb(255,153,0)',
+    'rgb(220,57,18)',
+    'rgb(70,132,238)',
+    'rgb(73,66,204)',
+    'rgb(0,128,0)',
+    'rgb(0, 169, 221)',
+    'steelBlue',
+    'rgb(0, 169, 221)',
+    'rgb(50, 205, 252)',
+    'rgb(70,132,238)',
+    'rgb(0, 169, 221)',
+    'rgb(5, 150, 194)',
+    'rgb(50, 183, 224)',
+    'steelBlue',
+    'rgb(2, 185, 241)',
+    'rgb(0, 169, 221)',
+    'steelBlue',
+    'rgb(0, 169, 221)',
+    'rgb(50, 205, 252)',
+    'rgb(70,132,238)',
+    'rgb(0, 169, 221)',
+    'rgb(5, 150, 194)',
+    'rgb(50, 183, 224)',
+    'steelBlue',
+    'rgb(2, 185, 241)'
+  ];
 
   /**
    * Utility function to call when we run out of colors!
    * @return {String} Hexadecimal color
    */
   function getRandomColor() {
-    var letters = '0123456789ABCDEF'.split('');
-    var color = '#';
-    for (var i = 0; i < 6; i++) {
-      color += letters[Math.round(Math.random() * 15)];
-    }
-    return color;
+    var r = (Math.round(Math.random() * 127) + 127).toString(16);
+    var g = (Math.round(Math.random() * 127) + 127).toString(16);
+    var b = (Math.round(Math.random() * 127) + 127).toString(16);
+    return '#' + r + g + b;
   }
 
   /**
@@ -66,7 +90,7 @@ angular.module('angularCharts').directive('acChart', function($templateCache, $c
         position: 'left',
         htmlEnabled: false
       },
-      colors: [],
+      colors: defaultColors,
       innerRadius: 0, // Only on pie Charts
       lineLegend: 'lineEnd', // Only on line Charts
       lineCurveType: 'cardinal',