Update app.py

app.py

@@ -32,7 +32,7 @@ if uploaded_file is not None:
     lab = cv2.cvtColor(normalized, cv2.COLOR_BGR2LAB)
     resized = cv2.resize(lab, (224, 224))
     L = cv2.split(resized)[0]
-    L -= 45
+    L -= 50
 
     # Predict color channels
     net.setInput(cv2.dnn.blobFromImage(L))