A rich colour and shining highlights add depth to the whole look. To make your hair pop out like hair colour ad use the moves that experts do.
Add Dimension to your strands. For us dark haired girls, hair can look too solid and thus without movement. To make your hair stand out, add subtle highlights or even lowlights to your stands. You can try lighter brown, copper or chocolate streaks. Instead of regular streaks, get random highlights. That will look as if sun has bleached your hair. You can make your tips lighter and length darker to get a natural effect.
Once you get your colour job, with the natural looking highlights, retain that healthy shine, with appropriate colour saving shampoo and conditioner. Go for deep conditioning treatments on a regular basis after you colour your hair. In fact to get maximum shine, condition your hair one day before your colouring job. That strengthens the strands and helps in binding the colour molecules better.