stdin.patch

diff --git c/src/plugins/platforms/cocoa/qcocoawindow.mm i/src/plugins/platforms/cocoa/qcocoawindow.mm
index dc7319484e..39209f261e 100644
--- c/src/plugins/platforms/cocoa/qcocoawindow.mm
+++ i/src/plugins/platforms/cocoa/qcocoawindow.mm
@@ -1625,6 +1625,9 @@ QCocoaNSWindow *QCocoaWindow::createNSWindow(bool shouldBePanel)
         [nsWindow setDepthLimit:NSWindowDepthTwentyfourBitRGB];
     }
 
+    if (format().colorSpace() == QSurfaceFormat::sRGBColorSpace)
+        nsWindow.colorSpace = NSColorSpace.sRGBColorSpace;
+
     return nsWindow;
 }