Select specific color in a pie chart

Hi all,

i want to select a speficic color for this pie chart, for example if the status is "DA RIASSEGNARE" the related colour is orange and so on. 

Here is the code, and in attachment the pie chart.

Thank in advance.

a!localVariables(
    local!save,
    local!save2: a!refreshVariable(value: local!save,refreshInterval: 0.5),
    local!array,
    local!record2: 'recordType!{2def5f7f-c651-48be-9fce-fe502682f30f}GEC_Dettaglio_Task',
    a!sectionLayout(
      label: "",
      contents: {
        
        a!pieChartField(
          data: a!recordData(
            recordType: 'recordType!{2def5f7f-c651-48be-9fce-fe502682f30f}GEC_Dettaglio_Task'
          ),
          config: a!pieChartConfig(
            primaryGrouping: a!grouping(
              field: 'recordType!{2def5f7f-c651-48be-9fce-fe502682f30f}GEC_Dettaglio_Task.fields.{6d87248b-9f66-495a-b736-3e539bcad481}STATO',

              alias: "vehicleMake_primaryGrouping"
            ),
            measures: {
              a!measure(
                function: "COUNT",
                field: 'recordType!{2def5f7f-c651-48be-9fce-fe502682f30f}GEC_Dettaglio_Task.fields.{fcb3a015-b7a3-44ff-979c-61a4974b47a4}ID',
                alias: "vehicleid_count_measure1"
              )
            },
            sort: {
              a!sortInfo(
                field: "vehicleid_count_measure1"
              )
            },
            dataLimit: 10,
            link: a!dynamicLink(
              value: fv!selection,
              saveInto: local!save
            )
          ),
          label: "TASK PER STATO LAVORAZIONE",
          labelPosition: "ABOVE",
          helpTooltip: "Permette di visualizzare, mediante un grafico, i task complessivi dell’ufficio per ciascuno stato di completamento (Da lavorare, Visualizzato, In lavorazione, In attesa, Chiuso, Da riassegnare).",
          showDataLabels: true,
          showTooltips: true,
          showAsPercentage: false,
          showWhen: true,
          colorScheme:
          a!colorSchemeCustom(
            colors:
            
            {
              "#FFA500",
              "#85200c",
              "#A9A9A9",
              "#FFFF00",
              "#D2691E",
              "#A52A2A",
              "#800000",
              "#FFA07A",
              "#FF0000"
            }
          ),
          style: "DONUT",
          seriesLabelStyle: "LEGEND",
          height: "MEDIUM",
          refreshAfter: "RECORD_ACTION"
        ),
        a!progressBarField(
          label: local!save["vehicleMake_primaryGrouping"],
          labelPosition: "ABOVE",
          percentage: if(a!isNotNullOrEmpty(local!save),100*(local!save["vehicleid_count_measure1"]/rule!GEC_somma_stati_task()),{}),
          showWhen: 1=0,
          style: "THICK"
        ),
        {
	        a!localVariables(
            local!record: 
            a!forEach(
              items: enumerate(rule!GEC_somma_stati_task())+1,
              expression: {
                a!map(vehicleMake_primaryGrouping: index(rule!GEC_PROVE_GENERALI(),fv!item,{}),
                vehicleid_count_measure1:fv!item)
              }
            ),
            local!confronto:a!forEach(
              items: enumerate(rule!GEC_somma_stati_task())+1,
              expression: if(index(local!record["vehicleMake_primaryGrouping"],fv!item,{})<>local!save2["vehicleMake_primaryGrouping"],
              index(local!record["vehicleMake_primaryGrouping"],fv!item,{}),{})
            ),
            local!contatore: length(local!confronto),
	          {
	            a!textField(
  	            label: "",
  	            labelPosition: "ABOVE",
	              value: concat("IL NUMERO TOTALE DI TASK È ", length(local!record)),
  	            saveInto: {},
  	            refreshAfter: "UNFOCUS",
	              showWhen: 1=0,
  	            validations: {}
	            ),
	            a!columnsLayout(
	              columns: {
	                a!columnLayout(),
	                a!columnLayout(),
	                  width: "WIDE"
	                ),
	                a!columnLayout()
	              }
	            )
	          }
	        )
        }
      }
    )
   
  )