Binding FFImage BorderHexColor is now working

             ffImage:CachedImage x:Name="imgAuthor"
                                  Success="imgAuthor_Success"
                                  Source="{Binding ProfileImage}"
                                  HeightRequest="40">

                 ffImage:CachedImage.Transformations
            fTransformations:CircleTransformation BorderHexColor="{Binding CategoryBg}" BorderSize="5" 

             ffImage:CachedImage.Transformations

             ffImage:CachedImage