Tested the worksWhenModal stuff for NSColorPanel; it works.

darwin/colorbutton.m

@@ -46,7 +46,8 @@ struct uiColorButton {
 	[[NSColorPanel sharedColorPanel] setShowsAlpha:YES];
 	[super activate:YES];
 	activeColorButton = self;
-	// TODO try setWorksWhenModal (I'd need a color well there)
+	// see stddialogs.m for details
+	[[NSColorPanel sharedColorPanel] setWorksWhenModal:NO];
 	[[NSNotificationCenter defaultCenter] addObserver:self
 		selector:@selector(deactivateOnClose:)
 		name:NSWindowWillCloseNotification

darwin/stddialogs.m

@@ -3,7 +3,7 @@
 
 // TODO restructure this whole file
 // TODO explicitly document this works as we want
-// TODO explicitly disable color dialogs this way
+// TODO note that font and color buttons also do this
 
 #define windowWindow(w) ((NSWindow *) uiControlHandle(uiControl(w)))