All of the Colors tools are extensively described in the toolbox chapter, Paragraaf 5, “Kleurgereedschappen”:
Paragraaf 5.2, “Color Balance”
Paragraaf 5.3, “Hue-Saturation”
Paragraaf 5.4, “Colorize”
Paragraaf 5.5, “Brightness-Contrast”
Paragraaf 5.6, “Threshold”
Paragraaf 5.7, “Levels”
Paragraaf 5.8, “Curves”
Paragraaf 5.9, “Posterize”
Paragraaf 5.10, “Desaturate”
