There are a variety of synonyms that can be used to describe the color of a bright red scream. Some examples include scarlet, cardinal, vermillion, crimson, and ruby. These words can evoke specific shades or hues of red, each with their own unique connotations. Scarlet, for instance, often connotes a bold, confident red, while vermillion may suggest a deeper, richer tone. Crimson can evoke a more passionate or intense shade, while ruby may bring to mind a brighter, jewel-like red. Ultimately, the choice of synonym will depend on the specific context and the desired effect or tone that the writer or speaker wishes to convey.