ArcGIS Pro 2.7 API Reference Guide
RGBColorizerDefinition Class
Members 

ArcGIS.Desktop.Mapping Namespace : RGBColorizerDefinition Class
Represents a colorizer definition for a RGB colorizer that enables you to create composite images by loading different multispectral bands into each of the three channels: Red, Green and Blue.
Object Model
RGBColorizerDefinition ClassCIMColor ClassCIMColor Class
Syntax
public class RGBColorizerDefinition : RasterColorizerDefinition 
Public Class RGBColorizerDefinition 
   Inherits RasterColorizerDefinition
Remarks
The RGBColorizerDefinition class allows you to define a simplified list of parameters to create a RGB colorizer. Once you define a RGB colorizer definition, you can call the BasicRasterLayer.CreateColorizer and BasicRasterLayer.SetColorizer methods to create and assign a RGB colorizer to a BasicRasterLayer.
Inheritance Hierarchy

System.Object
   ArcGIS.Desktop.Mapping.LayerDrawingDefinition
      ArcGIS.Desktop.Mapping.RasterColorizerDefinition
         ArcGIS.Desktop.Mapping.RGBColorizerDefinition

Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

RGBColorizerDefinition Members
ArcGIS.Desktop.Mapping Namespace