Vastu is better known as architecture of buildings and home. It is an Indian ancient art which has become modern science unifies astrology, astronomy, and art.
Feng Shui, on the surface, is the interaction between an individual and his/her environment, and it is often referred to as the art of placement. Depending on how you place your furniture and represent the five elements (water, fire, earth, metal and wood), Feng Shui has a way of bringing harmony, balance and comfort into your living space, not to mention aesthetically appealing as well.
The color green, for example, is excellent for improving health and balancing family. Incorporating blues into your Feng Shui design supports the energy of your career growth, and white will bring supportive energy for all of your creative pursuits.