Logo and conceptual clarity that were the hallmarks of Modernism as an artistic movement formed a powerful toolset for a new generation of graphic designers whose logos embodied Ludwig Mies van der Rohe’s dictum, "Less is more." Modernist-inspired logos proved successful in the era of mass visual communication ushered in by television, improvements in printing technology, and digital innovations. The current era of logo design began in the 1870s with the first abstract logo, the Bass red triangle. , many corporations, products, brands, services, agencies, and other entities use an ideogram (sign, icon) or an emblem (symbol) or a combination of
Pink triangle of "genocidal" homophobia in slowing progress on medical research, adopted an upward-pointing pink triangle on a black field along with the slogan "SILENCE = DEATH" as its logo. Some use the triangle in this orientation as a specific "reversal" of its usage by the Nazis. The Pink Panthers Movement in Denver, Colorado adopted a pink triangle with clawed panther print logo, adapted from the original Pink Panthers Patrol in New York City. In the 1990s, a pink triangle enclosed in a green circle came to be commonly used as a symbol identifying "safe spaces" for LGBT people at work or