Thereafter Korean painting including different traditions, of monochromatic works of black brushwork, sometimes by amateurs, professional works with colour, including many genre scenes, and animal and bird-and-flower painting, and colourful folk art called "minhwa", as well as a continuing tradition of Buddhist devotional scrolls called "taenghwa", ritual arts, tomb paintings, and festival arts which had extensive use of colour. This distinction was often class-based: scholars, particularly in Confucian art felt that one could see colour in monochromatic paintings within the gradations and felt that the actual use of colour coarsened the paintings, and restricted the imagination. Korean folk art, and painting of architectural frames was seen as brightening certain outside wood frames, and again within the tradition of Chinese architecture, and the early Buddhist influences of profuse rich halos and primary colours inspired by Indian art.