John Rankin is a British portrait and fashion photographer known for his simple photographic style. He typically uses a plain background or natural background blurred to focus attention on the subject. Mario Testino is a Peruvian fashion photographer known for his portraits of celebrities and the royal family. He experiments with color, sometimes using a single base color and shades of it to set a mood. Both photographers aim to tell stories or reveal details about subjects through their portrait photography, though they have different stylistic approaches to the use of backgrounds and color.