Summarize this article in one sentence.
If you have dark hair, your best bet is choosing a darker color. If you have very light hair, you have more options because almost all colors will show up on your hair.  If you want to try a really “out there” color or don't quite know how a certain color will look on you, this DIY hair dye is perfect for you. You don't have to commit to any color for too long, and it's no big deal if you don't like your results– it will be gone in a couple of washes.
Choose your color(s).