Hi,If you are frequent tea/coffee drinker,then pls reduce it.
Some teeth are naturally yellowish white it varies in different individuals.
Depending on your facial fairness and display of teeth on smiling dentist decides the exact shade of teeth,which can be achieved by professional or home teeth whitening
Next Steps
visit dentist for teeth cleaning and teeth whitening
Health Tips
use tooth paste with more percentage of polishing agents like Colgate visible white.