code: func FindColorCS(color CHex, x, y, w, h int, args ...float64) (int, int) {
  	var tolerance = 0.01
  
  	if len(args) > 0 {
  		tolerance = args[0]
  	}
  
  	bitmap := CaptureScreen(x, y, w, h)
  	rx, ry := FindColor(color, bitmap, tolerance)
  	FreeBitmap(bitmap)
  
  	return rx, ry
  }
docs: // FindColorCS findcolor by CaptureScreen