This is different. But I will answer it.
First, you want to use light easy colors. Such as white background and colored text. But however, black background with colored text will work as well. This is only if you do not have to much text to display.
A Monochromatic color scheme consists of one color but there are various shades,
tints, and hues.
True
It symbolizes the reparations that Germany had to make to the allied countries.