--- a/eric6/Preferences/__init__.py	Mon Apr 13 11:30:24 2020 +0200
+++ b/eric6/Preferences/__init__.py	Mon Apr 13 16:26:46 2020 +0200
@@ -1468,6 +1468,8 @@
         "SyncTimeAfterConnect": True,
         "ShowHiddenLocal": True,
         "ShowHiddenDevice": True,
+        "ChartColorTheme": -1,          # -1 = automatic,
+                                        # QChart.ChartTheme otherwise
         "MpyCrossCompiler": "",         # path of the mpy-cross compiler
         "DfuUtilPath": "",              # path of the dfu-util flashing tool
         "MicroPythonDocuUrl":