# ppmcolormask

> Produce a mask of areas of a certain color in a PPM image.
> More information: <https://netpbm.sourceforge.net/doc/ppmcolormask.html>.

- Produce a mask of areas of a certain color in the specified PPM image:

`ppmcolormask -color {{red,blue}} {{path/to/input.ppm}} > {{path/to/output.pbm}}`