The phrase encapsulates a common color association, juxtaposing the typical atmospheric hue with a specific type of garment. It presents a readily visualized image. For instance, one might imagine a sunny day contrasted with the visual impact of a certain article of clothing.
This color association carries symbolic weight in various contexts. It can evoke feelings of serenity, optimism, or freedom. Historically, such color and clothing pairings have been employed in art, literature, and fashion to convey particular meanings or aesthetic sensibilities.