The colors of Dong Ho paintings are taken completely from nature without any colorants, there are only 4 basic colors: green (taken from indigo leaves or bronze rust), black (taken from che leaves), yellow (taken from ho ho flowers) and red (taken from wine wood, ocher pebbles...). Depending on preferences and the boldness of the painting, people will highlight or lighten the details in Dong Ho paintings. Taken entirely from nature, the paint colors of Dong Ho paintings are simple but very special, not to be confused with any other paintings. Up to now, Dong Ho paintings are still preserved, developed and recognized as a national intangible cultural feature.