Red.
No
It depends on how big your bathroom is and how much wall space you are planning to cover.
South Shields is the largest city directly to the east of Hadrian's wall. Technically it is a town and not a city. By strict definition of the term "city" the largest city farthest east on the wall path is Newcastle upon Tyne, but this is not to the east of the wall as the wall runs through the city.
Ensure that it is at least 4 mils thick and that you make it big enough that the underlying color will not affect your perception of the color.
It's not in one city, it's a big wall across northern China. You can see it in Beijing.
build a big and tall wall around the city
there are two types of paint horses overo and torbino an overo paint has more white than color a tobiano has less white an more color
RAINBOW!
Some natural green would match well (do check with big sample strips. Purple is an option as well. I think I'd avoid reds and other pinks
First off all don't try to cram a lot of furniture in there. And also you can paint the room your color of choice but it has to be a light color. Don't use a dark paint color or it will just make the room look smaller and darker.
A wedge can look brown, tan, any color if you paint it. It can be thick, thin, big, or small.
Floquil and Scalecoat make the G.N. green. The Big Sky Blue paint scheme was blue, black, and white, so I'm not sure what color you are asking about.