backgroundColor The color of the window’s background. Declaration@NSCopying var backgroundColor: NSColor! { get set } See AlsoConfiguring the Window’s AppearancestyleMaskNSWindow.StyleMasktoggleFullScreen(_:)worksWhenModalalphaValuecolorSpacesetDynamicDepthLimit(_:)canHideisOnActiveSpacehidesOnDeactivatecollectionBehaviorisOpaquehasShadowinvalidateShadow()autorecalculatesContentBorderThickness(for:)