HelenOS sources
SGR_BGCOLOR 123 uspace/lib/vt/src/vt100.c vt100_sgr(vt, SGR_BGCOLOR + CI_WHITE);
SGR_BGCOLOR 128 uspace/lib/vt/src/vt100.c vt100_sgr(vt, SGR_BGCOLOR + CI_WHITE);
SGR_BGCOLOR 134 uspace/lib/vt/src/vt100.c vt100_sgr(vt, SGR_BGCOLOR + CI_BLACK);
SGR_BGCOLOR 139 uspace/lib/vt/src/vt100.c vt100_sgr(vt, SGR_BGCOLOR + CI_RED);
SGR_BGCOLOR 146 uspace/lib/vt/src/vt100.c vt100_sgr(vt, SGR_BGCOLOR + color_map[attrs.val.index.bgcolor & 7]);
SGR_BGCOLOR 172 uspace/lib/vt/src/vt100.c vt100_sgr(vt, SGR_BGCOLOR + color_map[color]);
HelenOS homepage, sources at GitHub