Color code Mystery Cache

There is not the cache at this coordinate.
This cache is hidden in center street in Nagoya City.

The following code leads you there.
Do you understand the meaning?

Attention
1 It’s in a heavy muggle place. Be careful to pick it up.
2 A security guard is stationed in the nearby building in daytime.
   Don't arouse his mistrust.

N		°		.
E		°		.

You can check your answers for this puzzle on Geochecker.com.