graphics - How to set the border color of the dots in matplotlib's scatterplots? - Stack Overflow
The markers are not hollow when I use ax.scatter() and set markers. MarkerStyle()'s fillstyle to 'none'. My usage is wrong? · Issue #17527 · matplotlib/matplotlib · GitHub
removing outline color of scatter plot in matplotlib python - Stack Overflow
Scatterplot
Matplotlib scatter plot marker type from dictionary - Stack Overflow