ArcGIS Pro 2.8 API Reference Guide
Color Property (ColorStyleItem)
Example 

ArcGIS.Desktop.Mapping Namespace > ColorStyleItem Class : Color Property
Gets or sets the ArcGIS.Core.CIM.CIMColor of the color style item.
Syntax
public CIMColor Color {get; set;}
Public Property Color As CIMColor
Exceptions
ExceptionDescription
This property must be called within the lambda passed to QueuedTask.Run
Example
ColorStyleItem colorItem = null;
CIMColor color = await QueuedTask.Run<CIMColor>(() =>
{
  return colorItem.Color;
});
Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

ColorStyleItem Class
ColorStyleItem Members