Example of a Stamen tile source.
Two layers are composed: the watercolor base layer with the terrain labels.
<!DOCTYPE html>
<html>
<head>
<title>Stamen example</title>
<script src="https://code.jquery.com/jquery-1.11.2.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="http://openlayers.org/en/v3.9.0/css/ol.css" type="text/css">
<script src="http://openlayers.org/en/v3.9.0/build/ol.js"></script>
</head>
<body>
<div class="container-fluid">
<div class="row-fluid">
<div class="span12">
<div id="map" class="map"></div>
</div>
</div>
</div>
<script>
var map = new ol.Map({
layers: [
new ol.layer.Tile({
source: new ol.source.Stamen({
layer: 'watercolor'
})
}),
new ol.layer.Tile({
source: new ol.source.Stamen({
layer: 'terrain-labels'
})
})
],
target: 'map',
view: new ol.View({
center: ol.proj.transform(
[-122.416667, 37.783333], 'EPSG:4326', 'EPSG:3857'),
zoom: 12
})
});
</script>
</body>
</html>