Not sure what's the best way to achieve this:

I think the "Black on white" color scheme is used for light themes and the "White on black" scheme is used for dark themes -> We could modify it or we can tell it to not use the colors from the system theme and set the default color here.

Another solution is to set a dark theme by default on MATE.

In T7008#130613, @kyrios123 wrote:

Not sure what's the best way to achieve this:

I think and "Black on white" color scheme is used for light themes and the "White on black" scheme is used for dark themes -> We could modify it or we can tell it to not use the colors from the system theme and set the default color here.

Another solution is to set a dark theme by default on MATE.

I think it should be "light on dark" regardless of the theme.

But then it doesn't match the theme. I think the better option is to use a non-white (light gray?) background on the light theme so that the colors don't wash out.

EDIT: I updated the "Black on white" color scheme to replace the white by a light grey, it works fine but when I select "Use colors from the system theme", it sets a white background again -> It seems it really take this info from the theme.

I am on the same track as @DataDrake, light gray is probably the best way to go.

I made a patch for this, however my solbuild is weird and hangs on applying patches. Anyhow here's the patch if anyone would be interested in fixing this: