this is an example that the normal text color (red) should be as used as the foreground color for a light background color.

this is an example that the normal text color (red) should be as used as the foreground color for a dark background color.

this is an example that the window foreground color should be as used as the foreground color for a light background color.

this is an example that white should be as used as the foreground color for a dark background color.