color scales

This is being generated as a study from the Ian Johnson dot Enter tutorial series.

<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v3.min.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
  </style>
</head>

<body>
  <script>
    // Feel free to change or delete any of the code you see in this editor!
    var svg = d3.select("body").append("svg")
      .attr("width", 960)
      .attr("height", 500)
    
    var data1 = d3.range(10)
    
    var colorScale  = d3.scale.category20c()
    var colorScale1 = d3.scale.ordinal()
    	.range(["#ff0000",
              "#00ff00",
              "#0000ff",
              "#e3e3e3",
              "#831031",
              "#f5c54b"])
    var colorScale2 = d3.scale.linear()
    	.domain([0, 10])
    	.range(["#ff0000","#fff600", "#00ff00"])

https://d3js.org/d3.v3.min.js