diff --git a/app/src/main/java/gui/SudokuView.java b/app/src/main/java/gui/SudokuView.java
index 81d6bcf..7cd86eb 100644
--- a/app/src/main/java/gui/SudokuView.java
+++ b/app/src/main/java/gui/SudokuView.java
@@ -39,17 +39,24 @@ public class SudokuView extends JFrame {
     private void initializeGrid() {
         grid = new JTextField[9][9];
         JPanel gridPanel = new JPanel(new GridLayout(9, 9));
-
+    
         for (int row = 0; row < 9; row++) {
             for (int col = 0; col < 9; col++) {
                 grid[row][col] = new JTextField(2);
                 grid[row][col].setHorizontalAlignment(JTextField.CENTER);
+    
+                // Set background color to gray for every third JTextField
+                if ((row / 3 + col / 3) % 2 == 1) {
+                    grid[row][col].setBackground(Color.LIGHT_GRAY);
+                }
+    
                 gridPanel.add(grid[row][col]);
             }
         }
-
+    
         add(gridPanel, BorderLayout.CENTER);
     }
+    
 
     /** Initialize the buttons, called by the constructor */
     private void initializeButtons() {