numix-gtk-theme/xfwm4/shade-inactive.xpm

/* XPM */
static char *shade_inactive[] = {
/* columns rows colors chars-per-pixel */
"22 25 6 1 ",
"  c #2D2D2D2D2D2D",
". c #393C393C393C",
"X c #57CF57CF57CF",
"o c #5B085B085B08",
"O c #7D6D7D6D7D6D",
"+ c #888888888888",
/* pixels */
"......................",
"                      ",
"                      ",
"                      ",
"                      ",
"                      ",
"                      ",
"                      ",
"                      ",
"          XX          ",
"         o++o         ",
"        o++++o        ",
"       X+O++O+o       ",
"       +O.++.O+       ",
"          ++          ",
"          ++          ",
"          ++          ",
"                      ",
"                      ",
"                      ",
"                      ",
"                      ",
"                      ",
"                      ",
"                      "
};