Can i remove selected colors from Background Dialog Box?

[Jugglertwo]

I received selected some different colors while changing my background color
for a slide. I ended up selecting several blues until I got the right one.
Now I have these other blues appearing as color cubes while I really only
want the one blue cube.

My question is: Can I remove the other blue cubes as I do not want to use
them?
I would greatly appreciate any assistance in this request.

Thanks!
Jugglertwo

 

[John Wilson]

They can also be deleted in the script editor
shift alt f11 to get there
View Project explorer and open pres.xml

Search for lines that start with <o:colormru v:ext="edit"
The extra colors are listed thus:
eg <o:colormru v:ext="edit" colors="#f83b1c"/> where #f83b1c is the hex
colour
Change to <o:colormru v:ext="edit" colors=""/> to delete and return to
powerpoint

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