The phrase 'pictures with different artistic connotations of color' refers to images that utilize color to evoke different emotional or thematic responses. In art and photography, color is a powerful tool that can alter the perception of an image and convey various moods or meanings. Artists often use color to create a specific atmosphere or to emphasize certain elements within a scene. This concept is particularly relevant in abstract art, where color is used to express ideas beyond the literal representation of objects.