Go back to blue, but thicker (3px instead of 2px)

spyder/plugins/plots/widgets/figurebrowser.py

@@ -16,7 +16,6 @@
 import sys
 
 # Third library imports
-from qdarkstyle.colorsystem import Gray
 from qtconsole.svg import svg_to_clipboard, svg_to_image
 from qtpy import PYQT5
 from qtpy.compat import getexistingdirectory, getsavefilename
@@ -29,7 +28,6 @@
 # Local library imports
 from spyder.api.translations import _
 from spyder.api.widgets.mixins import SpyderWidgetMixin
-from spyder.config.gui import is_dark_interface
 from spyder.utils.misc import getcwd_or_home
 from spyder.utils.palette import QStylePalette
 from spyder.widgets.helperwidgets import PaneEmptyWidget
@@ -1059,13 +1057,10 @@ def highlight_canvas(self, highlight):
         Set a colored frame around the FigureCanvas if highlight is True.
         """
         if highlight:
-            if is_dark_interface():
-                color = Gray.B70
-            else:
-                color = Gray.B50
-            # See spyder-ide/spyder#21046 for choice of styling.
+            # See spyder-ide/spyder#21598 for choice of styling.
             self.canvas.setStyleSheet(
-                "FigureCanvas{border: 3px solid %s;}" % color
+                "FigureCanvas{border: 3px solid %s;}" %
+                QStylePalette.COLOR_ACCENT_3
             )
         else:
             self.canvas.setStyleSheet("FigureCanvas{}")