How do you set "start" and "end" color in scatter plot with color dimension

[kristian2x]

In the scatter plot example with color dimension (https://plot.ly/javascript/line-and-scatter/#scatter-plot-with-a-color-dimension), the color dimension seems to be automatically chosen depending on the numerical input 'color'. But how can we change the start/end color (in this example grey / red)?

[kristian2x]

I just found out how, add 'colorscale' to the marker:

var trace1 = {
  y: [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5],
  mode: 'markers',
  marker: {
    size: 40,
    color: [300, 100, 2, 3, 24, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,              30, 31, 32, 33, 34, 35, 36, 37, 338, 0],
    colorscale: 'Greens'
  },
};

var data = [trace1];

var layout = {
  title: 'Scatter Plot with a Color Dimension'
};

Plotly.newPlot('myDiv', data, layout);

For more info on colorscales: https://plot.ly/javascript/colorscales/

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