Final answer:
To change the shape outline color to Orange, Accent 2, the sixth option in the first row of the color palette should be selected, which is option D) Sixth.
Step-by-step explanation:
The student is asking about changing the shape outline color in a digital application, possibly a graphic design program or presentation software like Microsoft PowerPoint. The color described, Orange, Accent 2, is indicated to be the sixth option in the first row of the color palette. Since the question specifies it is the sixth option, the correct answer for the student to select would be D) Sixth.
The reference information provided does not directly relate to the question about changing the outline color, as it seems to describe a pattern and a position not linked to the color palette. Therefore, it serves no purpose in answering the current question about the shape outline color.