A yellow triangle is a geometric shape characterized by three sides and three angles, with its color being yellow. In various contexts, yellow triangles can serve as warning signs, indicating caution or potential hazards. For example, in road signage, a yellow triangle often alerts drivers to upcoming dangers, such as sharp turns or pedestrian crossings. In addition to traffic signs, yellow triangles can also be found in design and art, where they may symbolize positivity or energy. The use of color and shape together can convey specific messages or emotions, making yellow triangles versatile in communication and visual representation.