---
syntax: markdown
tags: [tldr, common]
source: https://github.com/tldr-pages/tldr.git
---
# pgmtoppm

> Colorize a PGM image.
> More information: <https://netpbm.sourceforge.net/doc/pgmtoppm.html>.

- Map all greyscale values of the input image to all colors between the two specified colors:

`pgmtoppm -black {{red}} --white {{blue}} {{path/to/input.pgm}} > {{path/to/output.ppm}}`

- Map all greyscale values of the input image to colors according to the specified colormap:

`pgmtoppm -map {{path/to/colormap.ppm}} {{path/to/input.pgm}} > {{path/to/output.ppm}}`
