Fix create color range

@@ -247,18 +247,18 @@ export class CanvasDigitalGauge extends BaseGauge {
       if (levelColor !== null) {
         let percentage = isColorProperty ? inc * i : CanvasDigitalGauge.normalizeValue(levelColor.value, options.minValue, options.maxValue);
         let tColor = tinycolor(isColorProperty ? levelColor : levelColor.color);
-        options.colorsRange[i] = {
+        options.colorsRange.push({
           pct: percentage,
           color: tColor.toRgb(),
           rgbString: tColor.toRgbString()
-        };
+        });
         if (options.neonGlowBrightness) {
           tColor = tinycolor(isColorProperty ? levelColor : levelColor.color).brighten(options.neonGlowBrightness);
-          options.neonColorsRange[i] = {
+          options.neonColorsRange.push({
             pct: percentage,
             color: tColor.toRgb(),
             rgbString: tColor.toRgbString()
-          };
+          });
         }
       }
     }