GUI -- Created 'colors' scenario.

Change-Id: I06d12a6a030b8c84991ab5c2d5077ee934450592
diff --git a/web/gui/src/main/webapp/json/ev/colors/scenario.json b/web/gui/src/main/webapp/json/ev/colors/scenario.json
new file mode 100644
index 0000000..c978bb3
--- /dev/null
+++ b/web/gui/src/main/webapp/json/ev/colors/scenario.json
@@ -0,0 +1,12 @@
+{
+  "comments": [
+    "Tweaking Colors"
+  ],
+  "title": "Color-Tweaking Scenario",
+  "params": {
+    "lastAuto": 12
+  },
+  "description": [
+    "Press 'S' to load initial events."
+  ]
+}