Change default graph color

src/ScanPGunVgrid.py

@@ -131,8 +131,8 @@ def main():
         if plot_best_vgrid == True:
             plt.plot(best_vgrid, best_current, marker="o", markersize=15, markeredgecolor="red", markerfacecolor="green")
             plt.text(scan_start+((scan_stop-scan_start)/2), 0.05,'Best Vgrid: '+f'{best_vgrid:.2f}'+'V', fontsize = 12, bbox = dict(facecolor = 'red', alpha = 0.5))
-        plt.scatter(X, Y,label = "GUN Vgrid scan data")
-        plt.plot(xp,p(xp), label = "Fitting")
+        plt.scatter(X, Y,label = "GUN Vgrid scan data", color="blue")
+        plt.plot(xp,p(xp), label = "Fitting", color="orange")
         #plt.plot(xp,y_conv[:-3], label = "2nd order derivate")
         plt.title(str(graph_title))
         plt.xlabel('GUN Vgrid')