This question has options. How would someone go about accomplishing this goal?
Find the right foundation color.

OPT:
[A]. Get the shade you think you are and try on your leg. Does it blend with your face? You want the two to match so it looks natural..
[B]. Get the shade you think you are and try on your neck. Does it blend with your face? You want the two to match so it looks natural..
[B].