var color = new Color(System.Drawing.Color.Red.ToArgb());
var color2 = new Color(System.Drawing.Color.Green.ToArgb());
var lst = pane.AddList("Инструмент", sec, CandleStyles.BAR_CANDLE, color, PaneSides.RIGHT);
for (int i = 0; i < ctx.BarsCount; i++)
{
if (sec.Bars[i].Close > sec.Bars[i].Open)
{
lst.SetColor(i, color2);
}
}