ppmcie

Draw a CIE color chart as a PPM image. More information: https://netpbm.sourceforge.net/doc/ppmcie.html.

• Draw a CIE color chart using the REC709 color system as a PPM image:

ppmcie > {{path/to/output.ppm}}

• Specify the color system to be used:

ppmcie -{{cie|ebu|hdtv|ntsc|smpte}} > {{path/to/output.ppm}}

• Specify the location of the individual illuminants:

ppmcie -{{red|green|blue}} {{xpos ypos}} > {{path/to/output.ppm}}

• Do not dim the area outside the Maxwell triangle:

ppmcie -full > {{path/to/output.ppm}}