The poster-Shark Survival uses bold color contrasts and abstract design techniques to convey a strong call for shark conservation. The yellow background symbolizes alertness and warning, while the black silhouette represents the dark plight faced by sharks. The poster-Shark Survival uses bold color contrasts and abstract design techniques to convey a strong call for shark conservation. The yellow background symbolizes alertness and warning, while the black silhouette represents the dark plight faced by sharks.