diff --git a/main.py b/main.py
index af3eb90..b6591f2 100755
--- a/main.py
+++ b/main.py
@@ -62,7 +62,7 @@ def draw_mask(img, color):
             ctx(mask)
     
         img.composite_channel('all_channels', mask, 'screen')
-        img.opaque_paint(target=Color("#c300ff"), fill=Color("transparent"), fuzz=0.30*img.quantum_range)
+        img.opaque_paint(target=Color("#c300ff"), fill=Color("transparent"), fuzz=0.4*img.quantum_range)
     return img
     
 def save_img(img, color, symbol):