r.blend
r.blend.rgb - Blends color components of two raster maps by a given ratio and exports into three rasters.
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
QgsProcessingParameterRasterDestination|output_red|Blended Red
QgsProcessingParameterRasterDestination|output_green|Blended Green
QgsProcessingParameterRasterDestination|output_blue|Blended Blue