HelenOS sources

SGR_BGCOLOR       111 uspace/srv/hid/output/proto/vt100.c 			vt100_sgr(state, SGR_BGCOLOR + CI_WHITE);
SGR_BGCOLOR       116 uspace/srv/hid/output/proto/vt100.c 			vt100_sgr(state, SGR_BGCOLOR + CI_WHITE);
SGR_BGCOLOR       122 uspace/srv/hid/output/proto/vt100.c 			vt100_sgr(state, SGR_BGCOLOR + CI_BLACK);
SGR_BGCOLOR       127 uspace/srv/hid/output/proto/vt100.c 			vt100_sgr(state, SGR_BGCOLOR + CI_RED);
SGR_BGCOLOR       134 uspace/srv/hid/output/proto/vt100.c 		vt100_sgr(state, SGR_BGCOLOR + color_map[attrs.val.index.bgcolor & 7]);
SGR_BGCOLOR       175 uspace/srv/hid/output/proto/vt100.c 	vt100_sgr(state, SGR_BGCOLOR + CI_WHITE);
HelenOS homepage, sources at GitHub