Final answer:
The question about Violet Grace's hair color cannot be answered with the information provided. The text mentions the unusual but not abnormal nature of red hair, citing Isla Fischer, Prince Harry, and Marcia Cross as natural redheads.
Step-by-step explanation:
Your question is seeking information about the character Violet Grace's hair color. Unfortunately, the information given doesn't provide a direct answer to this question. Neither Isla Fischer, Prince Harry nor Marcia Cross are mentioned as having the character name 'Violet Grace', nor does the text provide a color category associated with this character. As a result, we can't definitively respond to your query. You might need to find this information in the work where Violet Grace appears, be it a book, movie, or television series.
However, the text does mention red hair, being unusual but not abnormal. Isla Fischer, Prince Harry, and Marcia Cross are indeed given as examples of natural redheads.
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