D3 V5 Color Schemes

<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v5.min.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
  </style>
</head>

<body>
  <script>
    var margin={top:50,right:50,bottom:50,left:50};
    var width = 960 - margin.left - margin.right;
    var height = 525 - margin.top - margin.bottom;
    
    var circleArray = [];
    var colorArray = [d3.schemeCategory10, d3.schemeAccent];
    
    var svg = d3.select("body").append("svg")
    	.style("border", "solid")
    	.attr("width", width+margin.left+margin.right)
    	.attr("height", height+margin.top+margin.bottom);
   
    var g = svg.append("g")
    	.attr("transform", "translate("+margin.top+","+margin.left+")");
    
    var colorScheme = d3.scaleOrdinal(colorArray[0]);
    
    for(i = 0; i < colorArray[0].length; i++){
      var circleDict = {};
      circleDict.cx = (i * 15) / 0.2;
      circleDict.cy = 15;
      circleDict.r = 15;
      circleDict.color = colorScheme(i);
      
      circleArray.push(circleDict);
    }
    
    g.append("g").selectAll("circle").data(circleArray).enter().append("circle")
    	.attr("cx", function(d){return d.cx;})
    	.attr("cy", function(d){return d.cy;})
    	.attr("r", function(d){return d.r;})
    	.attr("fill", function(d){return d.color;});

</script>
</body>

https://d3js.org/d3.v5.min.js