Treemap Color property is not working

[MaheshPunna]

open Plotly.NET

let values = [0.0; 11.0; 12.0; 13.0; 14.0; 15.0; 20.0; 30.0]
let labels = ["container"; "A1"; "A2"; "A3"; "A4"; "A5"; "B1"; "B2"]
let parents = [""; "container"; "A1"; "A2"; "A3"; "A4"; "container"; "B1"]

let markerColors = ["pink"; "royalblue"; "lightgray"; "purple"; 
                        "cyan"; "lightgray"; "lightblue"; "lightgreen"]
                        |> Seq.map (fun c-> Color.fromString c)
                        |> Color.fromColors

Chart.Treemap(labels,
              parents,
              Values = values, 
              Color = markerColors) 

Expected Behavior:

Current Behavior: