ppmcie(1) on Linux
The text aded30f29333, as Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge), Debian 3.0 (Woody) shipped it.
draw a CIE color chart as a PPM image
Flags it lists
-
-full -
-noaxes -
-noblack -
-nolabel -
-nowpoint -
-upvp -
-xy