 His colors are muted, unlike those of most Haitian painters outside the northern part of the country.In the north itself, Obin's influence was so powerful that subtle coloring is a leading characteristic in the works of hundreds of artists that he himself had trained and many others he hadn't.Among painters of the “Cap-Haitian school,” his brother Sénèque (1896–1972) is also a major talent; several of Philomé's children like Antoine Obin, Télémaque Obin, grandchildren such as Claude Obin, Michaëlle Obin, Henry-Claude Obin, Harisson Obin, Donald Obin, and nephews and nieces are also accomplished painters.