All of the Colors tools are extensively described in the toolbox chapter, Paragraaf 5, “ Kleurgereedschappen ”:
Paragraaf 5.1, “Color Balance”
Paragraaf 5.2, “Hue-Saturation”
Paragraaf 5.3, “Colorize”
Paragraaf 5.4, “Brightness-Contrast tool”
Paragraaf 5.5, “Threshold”
Paragraaf 5.6, “Levels”
Paragraaf 5.7, “Curves”
Paragraaf 5.8, “Posterize”