static let pinstripePatternColor: NSColor = {
  let stripeThickness = 1.5
  let patternSize = CGSize(width: stripeThickness, height: stripeThickness * 3)
  let image = NSImage(
    size: patternSize,
    flipped: false,
    drawingHandler: { _ in
      guard let context = NSGraphicsContext.current?.cgContext else { return false }
      context.setFillColor(NSColor.separatorColor.withAlphaComponent(0.02).cgColor)
      context.fill(CGRect(x: 0, y: stripeThickness, width: stripeThickness, height: stripeThickness))
      return true
    }
  )
  
  return NSColor(patternImage: image)
}()