r.his
Generates red, green and blue raster layers combining hue, intensity and saturation (HIS) values from user-specified input raster layers.
Raster (r.*)
QgsProcessingParameterRasterLayer|hue|Hue|None|False
QgsProcessingParameterRasterLayer|intensity|Intensity|None|False
QgsProcessingParameterRasterLayer|saturation|Saturation|None|False
QgsProcessingParameterString|bgcolor|Color to use instead of NULL values. Either a standard color name, R:G:B triplet, or "none"|None|False|True
QgsProcessingParameterBoolean|-c|Use colors from color tables for NULL values|False
QgsProcessingParameterRasterDestination|red|Red
QgsProcessingParameterRasterDestination|green|Green
QgsProcessingParameterRasterDestination|blue|Blue