diff --git a/scgv/views/clone.py b/scgv/views/clone.py
index f43900a..5f021f1 100644
--- a/scgv/views/clone.py
+++ b/scgv/views/clone.py
@@ -3,26 +3,48 @@
 
 @author: lubo
 '''
+import numpy as np
+
+import matplotlib.pyplot as plt
+from matplotlib.colors import ListedColormap
 from scgv.views.base import ViewerBase
-from scgv.utils.color_map import ColorMap
 
 
 class CloneViewer(ViewerBase):
 
     def __init__(self, model):
         super(CloneViewer, self).__init__(model)
-        self.cmap = ColorMap.make_qualitative06_with_white()
+        self._select_colormap()
+
+    def _select_colormap_size(self, size):
+        assert size <= 20
+        if size > 12:
+            cmap = plt.get_cmap('tab20')
+        elif size > 7:
+            cmap = plt.get_cmap('Paired')
+        else:
+            cmap = plt.get_cmap('tab10')
+        colors = ['#FFFFFF']
+        colors.extend(cmap.colors[:size])
+        return ListedColormap(colors)
+
+    def _select_colormap(self):
+        self.vmax = np.max(self.model.subclone)
+        size = int(self.vmax)
+        self.cmap = self._select_colormap_size(size)
 
     def draw_clone(self, ax):
+        print(self.model.clone)
+
         if self.model.clone is not None:
             ax.imshow(
                 [self.model.clone],
                 aspect='auto',
                 interpolation='nearest',
-                cmap=self.cmap.colors,
+                cmap=self.cmap,
                 # norm=self.cmap.norm,
                 vmin=0,
-                vmax=6,
+                vmax=self.vmax,
                 extent=self.model.bar_extent)
 
         ax.set_xticks([])
@@ -31,15 +53,15 @@ def draw_clone(self, ax):
         ax.set_yticklabels(["Clone"])
 
     def draw_subclone(self, ax):
+        print(self.model.subclone)
         if self.model.subclone is not None:
             ax.imshow(
                 [self.model.subclone],
                 aspect='auto',
                 interpolation='nearest',
-                cmap=self.cmap.colors,
-                # norm=self.cmap.norm,
+                cmap=self.cmap,
                 vmin=0,
-                vmax=6,
+                vmax=self.vmax,
                 extent=self.model.bar_extent)
 
         ax.set_xticks([])
diff --git a/scgv/views/track.py b/scgv/views/track.py
index ad6e226..e51029a 100644
--- a/scgv/views/track.py
+++ b/scgv/views/track.py
@@ -10,7 +10,10 @@ class TrackViewer(ViewerBase):
     @classmethod
     def select_colormap(self, track_mapping):
         size = len(track_mapping)
+        return TrackViewer.select_colormap_size(size)
 
+    @classmethod
+    def select_colormap_size(self, size):
         assert size <= 20
         if size > 12:
             cmap = plt.get_cmap('tab20')