Final answer:
The precise number of brown-based families in Shades EQ cannot be provided without the latest color chart, but typically, hair color lines include a variety of brown shades.
Step-by-step explanation:
The question on how many of the families in Shades EQ have brown bases pertains to the Redken Shades EQ hair color chart, which is a line of demi-permanent hair dyes. In the Shades EQ line, there are multiple families of colors, including browns. However, without the specific current chart or product information at hand, it's not possible to provide an exact count.
Typically, a professional hair color line like Redken will include a variety of brown bases, ranging from light to dark and encompassing various undertones. To get the precise number of brown-based families in the current Shades EQ line, you would need to refer to the latest Redken color chart or contact a professional hairstylist who has knowledge of the product.