colour code updated

src/app/view/home/graph-list/graph-list.component.ts

@@ -1129,7 +1129,16 @@ export class GraphListComponent implements OnInit {
             name: '',
             text: hovertext,
             hovertemplate: hovertext + ': %{z:,} ',
-            colorscale: 'Rainbow',
+            colorscale: [[0.0, "rgb(165,0,38)"],
+            [0.1111111111111111, "rgb(215,48,39)"],
+            [0.2222222222222222, "rgb(244,109,67)"],
+            [0.3333333333333333, "rgb(253,174,97)"],
+            [0.4444444444444444, "rgb(254,224,144)"],
+            [0.5555555555555556, "rgb(224,243,248)"],
+            [0.6666666666666666, "rgb(171,217,233)"],
+            [0.7777777777777778, "rgb(116,173,209)"],
+            [0.8888888888888888, "rgb(69,117,180)"],
+            [1.0, "rgb(49,54,149)"]],
             //colors : colorRamp(c("red", "green")),
             type: 'heatmap',
             visible: true,