* Hair Color Applied in Bow Shapes: It's possible someone is using "bow hair color" to describe a trend where hair dye is strategically placed to create bow-like patterns or designs on the hair. This would be a very niche and specific look.
* Hair Color Accessories with Bows: This could refer to wearing hair bows as accessories along with dyed hair, such as a matching bow to compliment the hair color, or a specific hair color that looks good with hair bows.
* A Misunderstanding or Made-Up Term: It's also possible that it's a misunderstanding or a term someone has created for a specific look or style.
Without more context, it's hard to say definitively. If you saw this term somewhere, providing the source or context would help in understanding what it refers to.