do not add natural light as there are no wiof tndows give cove light in the ceiling with down lights give hidden light above and below the mirror as well as below the vanity counter give cove light on either side the niche which has picture frame from the wall the counter top is the same beige tile through the mirror we can see the projection wall with the wall hung wc this projection wall has hidden light as well as beige vertical grooves do not change any colours or add extra elemets