r.blend
r.blend.combine - Blends color components of two raster maps by a given ratio and export into a unique raster.
Raster (r.*)
QgsProcessingParameterRasterLayer|first|Name of first raster map for blending|None|False
QgsProcessingParameterRasterLayer|second|Name of second raster map for blending|None|False
QgsProcessingParameterNumber|percent|Percentage weight of first map for color blending|QgsProcessingParameterNumber.Double|50.0|True|0.0|100.0
Hardcoded|-c
QgsProcessingParameterRasterDestination|output|Blended