diff --git a/examples/demo_widget.py b/examples/demo_widget.py
index c442e7b..6ae80ee 100644
--- a/examples/demo_widget.py
+++ b/examples/demo_widget.py
@@ -106,8 +106,6 @@ if __name__ == "__main__":
     import sys
     from pathlib import Path
 
-    QtW.QApplication.setAttribute(QtCore.Qt.AA_EnableHighDpiScaling)
-
     dest = Path("screenshots")
     dest.mkdir(exist_ok=True)
 
diff --git a/qtrangeslider/_qrangeslider.py b/qtrangeslider/_qrangeslider.py
index e757267..0582345 100644
--- a/qtrangeslider/_qrangeslider.py
+++ b/qtrangeslider/_qrangeslider.py
@@ -199,12 +199,10 @@ class QRangeSlider(QSlider):
         return opt
 
     def _getBarColor(self):
-        return self._style.brush_active or QtGui.QColor()
+        return self._style.brush_active or ""
 
     def _setBarColor(self, color):
-        from ._style import parse_color
-
-        self._style.brush_active = parse_color(color)
+        self._style.brush_active = color
 
     barColor = Property(str, _getBarColor, _setBarColor)
 
diff --git a/qtrangeslider/_style.py b/qtrangeslider/_style.py
index c7fb4dc..6b08db0 100644
--- a/qtrangeslider/_style.py
+++ b/qtrangeslider/_style.py
@@ -3,6 +3,7 @@ import re
 from dataclasses import dataclass, replace
 from typing import TYPE_CHECKING, Union
 
+from .qtcompat import PYQT_VERSION
 from .qtcompat.QtCore import Qt
 from .qtcompat.QtGui import (
     QColor,
@@ -77,9 +78,9 @@ class RangeSliderStyle:
                 off += self.h_offset or SYSTEM_STYLE.h_offset or 0
             else:
                 off += self.v_offset or SYSTEM_STYLE.v_offset or 0
-            if tp & QSlider.TicksAbove:
+            if tp == QSlider.TicksAbove:
                 off += self.tick_offset or SYSTEM_STYLE.tick_offset
-            elif tp & QSlider.TicksBelow:
+            elif tp == QSlider.TicksBelow:
                 off -= self.tick_offset or SYSTEM_STYLE.tick_offset
         return off
 
@@ -119,6 +120,9 @@ CATALINA_STYLE = replace(
     tick_offset=4,
 )
 
+if PYQT_VERSION and int(PYQT_VERSION.split(".")[0]) == 6:
+    CATALINA_STYLE = replace(CATALINA_STYLE, tick_offset=2)
+
 BIG_SUR_STYLE = replace(
     CATALINA_STYLE,
     brush_active="#0A81FE",
@@ -131,6 +135,9 @@ BIG_SUR_STYLE = replace(
     tick_bar_alpha=0.2,
 )
 
+if PYQT_VERSION and int(PYQT_VERSION.split(".")[0]) == 6:
+    BIG_SUR_STYLE = replace(BIG_SUR_STYLE, tick_offset=-3)
+
 WINDOWS_STYLE = replace(
     BASE_STYLE,
     brush_active="#550179D7",
diff --git a/qtrangeslider/qtcompat/QtWidgets.py b/qtrangeslider/qtcompat/QtWidgets.py
index f71e56b..1f0e3bd 100644
--- a/qtrangeslider/qtcompat/QtWidgets.py
+++ b/qtrangeslider/qtcompat/QtWidgets.py
@@ -22,7 +22,7 @@ elif PYQT6:
 
     # backwards compat with PyQt5
     # namespace moves:
-    for cls in (QStyle, QSlider):
+    for cls in (QStyle, QSlider, QSizePolicy):
         for attr in dir(cls):
             if not attr[0].isupper():
                 continue