Visio HTML output different background color

I have a Visio document. When I save it as HTML in Visio, the background is white. Whereas when I save it as HTML using Aspose the background color is grey.

Sample project (with v20.6):
VisioTest.zip (82.7 KB)

@ManMasterDevelopment

We have logged an issue as DIAGRAMNET-51871 in our issue tracking system. We will further look into its details and keep you posted with the status of its correction. Please be patient and spare us some time.

We are sorry for the inconvenience.

The issues you have found earlier (filed as DIAGRAMNET-51871) have been fixed in Aspose.Diagram for .NET 20.7.