If you can't decide between two hair colors, here's a thought: Why not do both? That's what Reddit user moniquey went with, and the results are nothing short of witchcraft. In a video she posted, she starts out with blue hair and, with a magical flip, shows off pink strands in a matter of seconds:

The trick is dying the hair down the middle and using a deep side part to create the illusion of one color. She shared a photo of what it looks like from behind:

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You can do it with more natural-looking shades too, as Reddit user Achoo_Gesundheit showed with her brunette-to-blond transformation back in July:

Mind. Blown.