kicad/bitmaps/ercwarn.xpm

/* XPM */
static char *warning_xpm[] = {
/* columns rows colors chars-per-pixel */
"11 11 2 1",
"- c Black",
"X c Yellow",

/* pixels */
"XXXXXXXXXXX",
"XXXXXXXXXXX",
"X-XXXXXXX-X",
"X-XXXXXXX-X",
"X-XXXXXXX-X",
"X-XXX-XXX-X",
"X-XXX-XXX-X",
"X-XXX-XXX-X",
"XX-X-X-X-XX",
"XXX-XXX-XXX",
"XXXXXXXXXXX"
};