ppmwheel

Generate a PPM image of a color wheel. More information: https://netpbm.sourceforge.net/doc/ppmwheel.html.

• Generate a color wheel of type Ppmcirc:

ppmwheel {{diameter}} > {{path/to/output.ppm}}

• Generate a color wheel of type Hue-value:

ppmwheel {{[-huev|-huevalue]}} {{diameter}} > {{path/to/output.ppm}}

• Generate a color wheel of type Hue-saturation:

ppmwheel {{[-hues|-huesaturation]}} {{diameter}} > {{path/to/output.ppm}}