Colorbar Tick Formatter

ScottPlot.Plot myPlot = new();

double[,] data = SampleData.MonaLisa();

var hm = myPlot.Add.Heatmap(data);
var cb = myPlot.Add.ColorBar(hm);
cb.MinimumSize = 80; // reserve space for the colorbar and tick labels

// create a static function containing the string formatting logic
static string CustomFormatter(double position)
{
    return $"{Math.Round(position / 2.55)} %";
}

// create a custom tick generator using your custom label formatter
ScottPlot.TickGenerators.NumericAutomatic myTickGenerator = new()
{
    LabelFormatter = CustomFormatter
};

// tell the colorbar to use the custom tick generator
cb.Axis.TickGenerator = myTickGenerator;

myPlot.SavePng("demo.png", 400, 300);