Some interesting artists that focus on camouflaging people and various objects  in urban settings. Definitely these are much more intricate than the classic green and brown fatigues.

Emma Hack Body Painting

Desiree Palmen Camouflage Photography

Fred Lebain Poster camouflage

Liu Bolin Camouflage Photography

Trompe-l’oeil construction wall, Magritte Museum, Brussels

Joshua Callahan Invisible Utility Boxes

Ramiro Fauve Camouflage Art

Laurent LaGamba Camouflage Art Installations

Grass covered cars