I tend to favor earth tones and greens when in the woods, but I'm also not stealth camping. Here in the west, much of the land is "owned" by government entities. I view this as entirely illegitimate, and often direct evidence of land theft from indigenous peoples. As for individuals, if someone has not homesteaded the land, whether through agriculture or some other visible form of transformative action, I see little need to respect their claims, but one does need to still watch out, especially during deer season. Around here, there are some rules regarding properly posting property lines to signify trespass, too, but I don't know how that works in the desert.