They are 'line painted group', red lines usually on a light background.
Times with a light blue background are hill records.
The designs are in red or black on a light background.
For black text, we should use light backgrounds (those with low saturated colors).
It features a light red and blue background, colors of the Serbian flag.
Street names are hard to read, in white letters on a light background.
It's also normal to see a defined outline of the color over a light brown background.
Towers and steam were a unity, black against the light background.
Then the figures emerge with masterly effect on the light background.
Clients listed on a light purple background are no longer in active development.