pambrighten
Change a PAM image's saturation and value. tldr-pages
On several platforms
Several platforms
Increase the saturation of each pixel by the specified percentage
pambrighten -saturation value_percent path/to/image.pam >path/to/output.pamIdentifyIncrease the value (from the HSV color space) of each pixel by the specified percentage
pambrighten -value value_percent path/to/image.pam >path/to/output.pamIdentify