ambiance

noun2

1. •
   A particular mood or atmosphere of an environment or surrounding influence.

   • The pressures […] on a post-pubescent youngster, still half-child-half-man/woman, are difficult enough for someone whose sexuality fits into the accepted ambiance, i.e., heterosexuality. — 1979
2. •
   Of a three-dimensional model, a secondary color of a polygon that becomes more pronounced with shading.