r.what.color Queries colors for a raster map layer. Raster (r.*) QgsProcessingParameterRasterLayer|input|Raster map to query colors|None|False QgsProcessingParameterString|value|Values to query colors for (comma separated list)|None|False|True QgsProcessingParameterString|format|Output format (printf-style)|%d:%d:%d|False|True QgsProcessingParameterFileDestination|html|Colors file|HTML files (*.html)|None|False