Spines are the lines connecting the axis tick marks and noting the boundaries of the data area. They can be placed at arbitrary positions. See set_position for more information.

What is a spine in a graph?

A spine to a graph is basically the edge of the graph, where we have the ticks and such. In order to change the color of a spine, you can do something like: ax1. spines['left'].

How do I get rid of spines in Matplotlib?

Remove Spines

The first Matplotlib default to update is that black box surrounding each plot, comprised of four so-called “spines.” To adjust them we first get our figure's axes via pyplot and then change the visibility of each individual spine as desired. and the top and right spines will no longer appear.