A leaflet plugin that extends L.Control and adds a color legend to the map.

var map = L.map('map');

var cScale = d3.scaleSequential([0, 100], d3.interpolateBlues);

var legend = new L.Control.ColorLegend({
    position: "topright",
    colorScale: cScale,
    label: "Scale"
  });
  legend.addTo(map);

Option	Type	Default	Description
position	String	'topright'	Inherited from L.Control
colorScale	a d3 scale	-	The colorScale from d3. It should accept a number or string as input and return a color.
label	String	''	A label that is placed under the colormap