How do I do a personal color self-diagnosis?

The term "personal color" sounds unfamiliar.

I became interested because I thought finding the perfect color for myself would be helpful for makeup and styling.

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I become interested in finding out the colors that suit me best because I think changing my styling—including clothes, cosmetics, and accessories—would be a mood booster. However, getting a diagnosis from a professional is financially burdensome.

Is there by any chance a highly accurate personal color self-diagnosis method that I can easily try at home?

How did you take the personal color self-diagnosis test?

What precautions or preparations were required for the test?

After taking the personal color self-diagnosis, I am wondering if the actual diagnosis results matched.

I would appreciate it if you could tell me the most effective method for self-diagnosing personal color.

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