How to invert color of seaborn heatmap colorbar

Question

I use an heatmap to visualize a confusion matrix. I like the standard colors, but I would like to have 0s in light orange and highest values in dark purple.

I managed to

Answer 1

we can now quickly achieve reverse color just by putting _r in the end.

For example: for viridis => viridis_r

sns.heatmap(corr_matrix, annot=True, cmap='viridis_r');