Once she studies your hair, its condition, its style, its cut, and your lifestyle (e. g., how much time you plan on spending on your hair each day), she will then make some recommendations for color and maybe even a more suitable style for you. Plan on being there for a few hours.
Even at home hair coloring kits have come a long way when it comes to being gentler, safer and more pleasant smelling. They too use far fewer harsh chemicals that can lead to damaged hair in a heartbeat. Making it safer for you to get the desired results. Which as hair color ideas go isn't a bad thing, now is it?