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