To get rid of Business-Related Problems, get the black color done in this direction of the house!

Can black color be used in the south-east direction? If yes, why can it be done, and if not, why not? 

According to Vastu Shastra, the black element is water. Water is the nutrient of wood.

For your information, let us tell you that applying some black color in the southeast direction will help the elements associated with the southeast.