diff --git a/spec/lib/bar/colours.coffee b/spec/lib/bar/colours.coffee
new file mode 100644
index 0000000..a061ef6
--- /dev/null
+++ b/spec/lib/bar/colours.coffee
@@ -0,0 +1,36 @@
+describe 'Morris.Bar#colorFor', ->
+
+  defaults =
+    element: 'graph'
+    data: [{x: 'foo', y: 2, z: 3}, {x: 'bar', y: 4, z: 6}]
+    xkey: 'x'
+    ykeys: ['y', 'z']
+    labels: ['Y', 'Z']
+
+  it 'should fetch colours from an array', ->
+    chart = Morris.Bar $.extend {}, defaults, barColors: ['#f00', '#0f0', '#00f']
+    chart.colorFor(chart.data[0], 0, 'bar').should.equal '#f00'
+    chart.colorFor(chart.data[0], 0, 'hover').should.equal '#f00'
+    chart.colorFor(chart.data[0], 1, 'bar').should.equal '#0f0'
+    chart.colorFor(chart.data[0], 1, 'hover').should.equal '#0f0'
+    chart.colorFor(chart.data[0], 2, 'bar').should.equal '#00f'
+    chart.colorFor(chart.data[0], 2, 'hover').should.equal '#00f'
+    chart.colorFor(chart.data[0], 3, 'bar').should.equal '#f00'
+    chart.colorFor(chart.data[0], 4, 'hover').should.equal '#0f0'
+
+  it 'should defer to a callback', ->
+    stub = sinon.stub().returns '#f00'
+    chart = Morris.Bar $.extend {}, defaults, barColors: stub
+    stub.reset()
+
+    chart.colorFor(chart.data[0], 0, 'bar')
+    stub.should.have.been.calledWith(
+      {x:0, y:2, label:'foo'},
+      {index:0, key:'y', label:'Y'},
+      'bar')
+
+    chart.colorFor(chart.data[0], 1, 'hover')
+    stub.should.have.been.calledWith(
+      {x:0, y:3, label:'foo'},
+      {index:1, key:'z', label:'Z'},
+      'hover')
\ No newline at end of file