title: Seaborn Heatmap with logarithmic-scale colorbar
body: <p>Is there a way to set the color bar scale to log on a seaborn heat map graph?<br>
  I am using a pivot table output from pandas as an input to the call</p>
  
  <pre><code> sns.heatmap(df_pivot_mirror,annot=False,xticklabels=256,yticklabels=128,cmap=plt.cm.YlOrRd_r)
  </code></pre>
  
  <p>Thank you.</p>