Update app.py

app.py

@@ -19,7 +19,7 @@ def decode(im,col):
         rgb_tup = tuple(int(h1[i:i+2], 16) for i in (0, 2, 4))
         
         for item in datas:
-            if item[0] in range(rgb_tup[0]-5,rgb_tup[0]+5) and item[1] in range(rgb_tup[1]-5,rgb_tup[1]+5) and item[2] in range(rgb_tup[2]-5,rgb_tup[2]+5):
+            if item[0] in range(rgb_tup[0]-15,rgb_tup[0]+15) and item[1] in range(rgb_tup[1]-15,rgb_tup[1]+15) and item[2] in range(rgb_tup[2]-15,rgb_tup[2]+15):
                 newData.append((0,0,0))
             else:
                 newData.append((255,255,255))