cleaned up and updated colors
cleaned up and updated colors

bloomberg/bqplot,SylvainCorlay/bqplot,bloomberg/bqplot,ssunkara1/bqplot,dmadeka/bqplot,SylvainCorlay/bqplot,ssunkara1/bqplot,dmadeka/bqplot,ChakriCherukuri/bqplot,SylvainCorlay/bqplot,ChakriCherukuri/bqplot,ChakriCherukuri/bqplot,bloomberg/bqplot