![Yun Hyong-keun. Burnt Umber & Ultramarine, 1977-1978. Oil on cotton, 230.8 x 184.2 cm. Courtesy of Yun Seong-ryeol and PKM Gallery.](https://img.artlogic.net/w_1010,h_580,c_limit/exhibit-e/5d5eccf1a5aa2ced538b4567/d609e9bbaa9736e53116e5cd243dd6dd.jpg)
Yun Hyong-keun. Burnt Umber & Ultramarine, 1977-1978. Oil on cotton, 230.8 x 184.2 cm. Courtesy of Yun Seong-ryeol and PKM Gallery.
![Yun Hyong-keun. Burnt Umber & Ultramarine, 1986. Oil on linen, 199.8 x 120 cm. Courtesy of Yun Seong-ryeol and PKM Gallery.](https://img.artlogic.net/w_1010,h_580,c_limit/exhibit-e/5d5eccf1a5aa2ced538b4567/eab46c1696f81409312ae1023316ba6d.jpg)
Yun Hyong-keun. Burnt Umber & Ultramarine, 1986. Oil on linen, 199.8 x 120 cm. Courtesy of Yun Seong-ryeol and PKM Gallery.
![Yun Hyong-keun. Burnt Umber & Ultramarine, 1987. Oil on linen, 209.5 x 291.5 cm. Courtesy of Yun Seong-ryeol and PKM Gallery.](https://img.artlogic.net/w_1010,h_580,c_limit/exhibit-e/5d5eccf1a5aa2ced538b4567/98db496549f689730caef31d73c1d62f.jpg)
Yun Hyong-keun. Burnt Umber & Ultramarine, 1987. Oil on linen, 209.5 x 291.5 cm. Courtesy of Yun Seong-ryeol and PKM Gallery.
![Yun Hyong-keun. Untitled, 1993. Oil on linen, 227 x 181.5 cm. Courtesy of Yun Seong-ryeol and PKM Gallery.](https://img.artlogic.net/w_1010,h_580,c_limit/exhibit-e/5d5eccf1a5aa2ced538b4567/465c7eb183a8fdd88ffea54dbc5ec441.jpg)
Yun Hyong-keun. Untitled, 1993. Oil on linen, 227 x 181.5 cm. Courtesy of Yun Seong-ryeol and PKM Gallery.
![Yun Hyong-keun. Burnt Umber & Ultramarine, 1991-1993. Oil on linen, 194 x 259.5 cm. Courtesy of Yun Seong-ryeol and PKM Gallery.](https://img.artlogic.net/w_1010,h_580,c_limit/exhibit-e/5d5eccf1a5aa2ced538b4567/f25049f9d42e5329c4d2d2e4c9093b55.jpg)
Yun Hyong-keun. Burnt Umber & Ultramarine, 1991-1993. Oil on linen, 194 x 259.5 cm. Courtesy of Yun Seong-ryeol and PKM Gallery.