diff --git a/pixelocr/gui/pageview.py b/pixelocr/gui/pageview.py
index 4033b26..9a1443b 100644
--- a/pixelocr/gui/pageview.py
+++ b/pixelocr/gui/pageview.py
@@ -60,15 +60,17 @@ class PageScene(QGraphicsScene):
         shadow.setOffset(2, 2)
         self.pageItem.setGraphicsEffect(shadow)
 
-        letterPen = QPen(QColor(50, 50, 50, 100))
-        letterBrush = QBrush(QColor(255, 255, 0, 80))
-        linePen = QPen(QColor(255, 50, 50, 100))
+        letterPen = QColor(0, 0, 0, 80)
+        letterBrush = QColor(255, 255, 0, 80)
+        spacePen = QColor(0, 0, 0, 80)
+        spaceBrush = QColor(0, 0, 255, 20)
+        linePen = QColor(255, 50, 50, 100)
         for line in page:
             for letter in line:
                 if not letter.image.isspace:
                     self.addRect(letter.x - 1, letter.y - 1, letter.width + 1, letter.height + 1, letterPen, letterBrush)
                 else:
-                    self.addRect(letter.x - 1, letter.y - 1, letter.width + 1, letter.height + 1, letterPen)
+                    self.addRect(letter.x - 1, letter.y - 1, letter.width + 1, letter.height + 1, spacePen, spaceBrush)
             self.addLine(line.left, line.baseline, line.right, line.baseline, linePen)
 
     def addPage(self, page):